| Value | Category | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 500 |  | 
                                    
                    
                        | 600 |  | 
                                    
                    
                        | 700 |  | 
                                    
                    
                        | 800 |  | 
                                    
                    
                        | 900 |  | 
                                    
                    
                        | 1000 |  | 
                                    
                    
                        | 1200 |  | 
                                    
                    
                        | 1250 |  | 
                                    
                    
                        | 1400 |  | 
                                    
                    
                        | 1500 |  | 
                                    
                    
                        | 2000 |  | 
                                    
                    
                        | 2250 |  | 
                                    
                    
                        | 2400 |  | 
                                    
                    
                        | 2500 |  | 
                                    
                    
                        | 3000 |  | 
                                    
                    
                        | 3200 |  | 
                                    
                    
                        | 3500 |  | 
                                    
                    
                        | 4000 |  | 
                                    
                    
                        | 4200 |  | 
                                    
                    
                        | 4400 |  | 
                                    
                    
                        | 4500 |  | 
                                    
                    
                        | 4800 |  | 
                                    
                    
                        | 5000 |  | 
                                    
                    
                        | 5400 |  | 
                                    
                    
                        | 5500 |  | 
                                    
                    
                        | 6000 |  | 
                                    
                    
                        | 6500 |  | 
                                    
                    
                        | 7000 |  | 
                                    
                    
                        | 7200 |  | 
                                    
                    
                        | 7500 |  | 
                                    
                    
                        | 8000 |  | 
                                    
                    
                        | 8500 |  | 
                                    
                    
                        | 10000 |  | 
                                    
                    
                        | 10600 |  | 
                                    
                    
                        | 10800 |  | 
                                    
                    
                        | 11000 |  | 
                                    
                    
                        | 12000 |  | 
                                    
                    
                        | 12300 |  | 
                                    
                    
                        | 12500 |  | 
                                    
                    
                        | 13000 |  | 
                                    
                    
                        | 13500 |  | 
                                    
                    
                        | 14000 |  | 
                                    
                    
                        | 14700 |  | 
                                    
                    
                        | 15000 |  | 
                                    
                    
                        | 15900 |  | 
                                    
                    
                        | 16000 |  | 
                                    
                    
                        | 16500 |  | 
                                    
                    
                        | 17000 |  | 
                                    
                    
                        | 17200 |  | 
                                    
                    
                        | 18000 |  | 
                                    
                    
                        | 20000 |  | 
                                    
                    
                        | 21000 |  | 
                                    
                    
                        | 21400 |  | 
                                    
                    
                        | 22000 |  | 
                                    
                    
                        | 23000 |  | 
                                    
                    
                        | 24000 |  | 
                                    
                    
                        | 25000 |  | 
                                    
                    
                        | 26500 |  | 
                                    
                    
                        | 27000 |  | 
                                    
                    
                        | 28000 |  | 
                                    
                    
                        | 29000 |  | 
                                    
                    
                        | 30000 |  | 
                                    
                    
                        | 32000 |  | 
                                    
                    
                        | 34000 |  | 
                                    
                    
                        | 35000 |  | 
                                    
                    
                        | 37000 |  | 
                                    
                    
                        | 38000 |  | 
                                    
                    
                        | 39000 |  | 
                                    
                    
                        | 40000 |  | 
                                    
                    
                        | 42000 |  | 
                                    
                    
                        | 43000 |  | 
                                    
                    
                        | 43800 |  | 
                                    
                    
                        | 44000 |  | 
                                    
                    
                        | 45000 |  | 
                                    
                    
                        | 47000 |  | 
                                    
                    
                        | 48000 |  | 
                                    
                    
                        | 50000 |  | 
                                    
                    
                        | 60000 |  | 
                                    
                    
                        | 65000 |  | 
                                    
                    
                        | 70000 |  | 
                                    
                    
                        | 75000 |  | 
                                    
                    
                        | 78000 |  | 
                                    
                    
                        | 80000 |  | 
                                    
                    
                        | 82000 |  | 
                                    
                    
                        | 85000 |  | 
                                    
                    
                        | 85500 |  | 
                                    
                    
                        | 90000 |  | 
                                    
                    
                        | 93000 |  | 
                                    
                    
                        | 96000 |  | 
                                    
                    
                        | 100000 |  | 
                                    
                    
                        | 110000 |  | 
                                    
                    
                        | 120000 |  | 
                                    
                    
                        | 130000 |  | 
                                    
                    
                        | 137000 |  | 
                                    
                    
                        | 150000 |  | 
                                    
                    
                        | 151000 |  | 
                                    
                    
                        | 155000 |  | 
                                    
                    
                        | 160000 |  | 
                                    
                    
                        | 170000 |  | 
                                    
                    
                        | 180000 |  | 
                                    
                    
                        | 200000 |  | 
                                    
                    
                        | 210000 |  | 
                                    
                    
                        | 250000 |  | 
                                    
                    
                        | 260000 |  | 
                                    
                    
                        | 300000 |  | 
                                    
                    
                        | 400000 |  | 
                                    
                    
                        | 500000 |  | 
                                    
                    
                        | 600000 |  | 
                                    
                    
                        | 1000000 |  | 
                                    
                    
                        | 2147483625 | don't know | 
                                    
                    
                        | 2147483639 | refusal | 
                                    
                    
                        | 2147483640 | skipped | 
                                    
                    
                        | 2147483645 | .x. censored | 
                                    
                    
                        | 10000001 | .. | 
                                    
                    
                        | 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.