| Value | 
                    Category | 
                                                                            
                                    
                    
                        | 1 | 
                        1  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 2 | 
                        2  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 3 | 
                        10  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 4 | 
                        25  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 5 | 
                        30  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 6 | 
                        98  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 7 | 
                        99  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 8 | 
                        150  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 9 | 
                        180  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 10 | 
                        200  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 11 | 
                        300  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 12 | 
                        400  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 13 | 
                        500  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 14 | 
                        600  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 15 | 
                        700  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 16 | 
                        800  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 17 | 
                        900  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 18 | 
                        1000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 19 | 
                        1200  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 20 | 
                        1250  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 21 | 
                        1300  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 22 | 
                        1400  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 23 | 
                        1500  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 24 | 
                        1680  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 25 | 
                        1750  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 26 | 
                        1800  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 27 | 
                        1900  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 28 | 
                        2000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 29 | 
                        2100  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 30 | 
                        2150  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 31 | 
                        2200  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 32 | 
                        2250  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 33 | 
                        2300  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 34 | 
                        2400  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 35 | 
                        2500  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 36 | 
                        2520  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 37 | 
                        2525  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 38 | 
                        2650  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 39 | 
                        2750  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 40 | 
                        2800  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 41 | 
                        3000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 42 | 
                        3050  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 43 | 
                        3100  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 44 | 
                        3150  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 45 | 
                        3200  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 46 | 
                        3250  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 47 | 
                        3258  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 48 | 
                        3350  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 49 | 
                        3400  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 50 | 
                        3450  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 51 | 
                        3500  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 52 | 
                        3600  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 53 | 
                        3750  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 54 | 
                        3800  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 55 | 
                        4000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 56 | 
                        4200  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 57 | 
                        4250  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 58 | 
                        4400  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 59 | 
                        4500  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 60 | 
                        4600  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 61 | 
                        4750  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 62 | 
                        5000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 63 | 
                        5200  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 64 | 
                        5500  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 65 | 
                        5600  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 66 | 
                        6000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 67 | 
                        6200  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 68 | 
                        6500  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 69 | 
                        6600  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 70 | 
                        6700  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 71 | 
                        6800  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 72 | 
                        7000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 73 | 
                        7100  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 74 | 
                        7120  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 75 | 
                        7200  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 76 | 
                        7400  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 77 | 
                        7500  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 78 | 
                        7900  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 79 | 
                        8000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 80 | 
                        8200  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 81 | 
                        8500  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 82 | 
                        9000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 83 | 
                        9100  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 84 | 
                        9200  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 85 | 
                        9500  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 86 | 
                        9800  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 87 | 
                        10000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 88 | 
                        11000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 89 | 
                        11500  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 90 | 
                        12000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 91 | 
                        13000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 92 | 
                        14000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 93 | 
                        14200  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 94 | 
                        15000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 95 | 
                        16000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 96 | 
                        18000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 97 | 
                        20000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 98 | 
                        22000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 99 | 
                        23000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 100 | 
                        24000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 101 | 
                        25000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 102 | 
                        28000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 103 | 
                        30000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 104 | 
                        35000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 105 | 
                        50000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 106 | 
                        95000  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 107 | 
                        Don't know  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 108 | 
                        Refused to answer  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 109 | 
                        Outlier set to missing  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 110 | 
                        Inconsistency set to missing  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 111 | 
                        Not applicable  | 
                        
                            
                        
                        
                        
                        
                            
                    
                            
            Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.