| Value | Category | 
                                    
                    
                        | 98 | Not given | 
                                    
                    
                        | 500 |  | 
                                    
                    
                        | 600 |  | 
                                    
                    
                        | 700 |  | 
                                    
                    
                        | 800 |  | 
                                    
                    
                        | 900 |  | 
                                    
                    
                        | 1000 |  | 
                                    
                    
                        | 1200 |  | 
                                    
                    
                        | 1500 |  | 
                                    
                    
                        | 2000 |  | 
                                    
                    
                        | 2100 |  | 
                                    
                    
                        | 2300 |  | 
                                    
                    
                        | 2500 |  | 
                                    
                    
                        | 2800 |  | 
                                    
                    
                        | 3000 |  | 
                                    
                    
                        | 3500 |  | 
                                    
                    
                        | 3750 |  | 
                                    
                    
                        | 4000 |  | 
                                    
                    
                        | 4200 |  | 
                                    
                    
                        | 4300 |  | 
                                    
                    
                        | 4500 |  | 
                                    
                    
                        | 4800 |  | 
                                    
                    
                        | 5000 |  | 
                                    
                    
                        | 5500 |  | 
                                    
                    
                        | 6000 |  | 
                                    
                    
                        | 6500 |  | 
                                    
                    
                        | 6800 |  | 
                                    
                    
                        | 7000 |  | 
                                    
                    
                        | 7400 |  | 
                                    
                    
                        | 7500 |  | 
                                    
                    
                        | 7800 |  | 
                                    
                    
                        | 8000 |  | 
                                    
                    
                        | 8500 |  | 
                                    
                    
                        | 9000 |  | 
                                    
                    
                        | 10000 |  | 
                                    
                    
                        | 10400 |  | 
                                    
                    
                        | 10500 |  | 
                                    
                    
                        | 11000 |  | 
                                    
                    
                        | 12000 |  | 
                                    
                    
                        | 12300 |  | 
                                    
                    
                        | 13000 |  | 
                                    
                    
                        | 14000 |  | 
                                    
                    
                        | 14500 |  | 
                                    
                    
                        | 15000 |  | 
                                    
                    
                        | 16000 |  | 
                                    
                    
                        | 16100 |  | 
                                    
                    
                        | 17500 |  | 
                                    
                    
                        | 18000 |  | 
                                    
                    
                        | 19000 |  | 
                                    
                    
                        | 20000 |  | 
                                    
                    
                        | 20500 |  | 
                                    
                    
                        | 25000 |  | 
                                    
                    
                        | 29700 |  | 
                                    
                    
                        | 30000 |  | 
                                    
                    
                        | 32000 |  | 
                                    
                    
                        | 40000 |  | 
                                    
                    
                        | 49000 |  | 
                                    
                    
                        | 50000 |  | 
                                    
                    
                        | 60000 |  | 
                                    
                    
                        | 70000 |  | 
                                    
                    
                        | 75000 |  | 
                                    
                    
                        | 80000 |  | 
                                    
                    
                        | 90000 |  | 
                                    
                    
                        | 100000 |  | 
                                    
                    
                        | 105000 |  | 
                                    
                    
                        | 110000 |  | 
                                    
                    
                        | 120000 |  | 
                                    
                    
                        | 150000 |  | 
                                    
                    
                        | 210000 |  | 
                                    
                    
                        | 240000 |  | 
                                    
                    
                        | 260000 |  | 
                                    
                    
                        | 500000 |  | 
                                    
                    
                        | 9999999 |  | 
                                    
                    
                        | Sysmiss |  | 
                            
            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.