| Value | Category | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 15000 |  | 
                                    
                    
                        | 30000 |  | 
                                    
                    
                        | 40000 |  | 
                                    
                    
                        | 45000 |  | 
                                    
                    
                        | 48000 |  | 
                                    
                    
                        | 70000 |  | 
                                    
                    
                        | 75000 |  | 
                                    
                    
                        | 80000 |  | 
                                    
                    
                        | 90000 |  | 
                                    
                    
                        | 110000 |  | 
                                    
                    
                        | 140000 |  | 
                                    
                    
                        | 150000 |  | 
                                    
                    
                        | 151200 |  | 
                                    
                    
                        | 210000 |  | 
                                    
                    
                        | 216000 |  | 
                                    
                    
                        | 231000 |  | 
                                    
                    
                        | 240000 |  | 
                                    
                    
                        | 250000 |  | 
                                    
                    
                        | 300000 |  | 
                                    
                    
                        | 330000 |  | 
                                    
                    
                        | 360000 |  | 
                                    
                    
                        | 380000 |  | 
                                    
                    
                        | 400000 |  | 
                                    
                    
                        | 480000 |  | 
                                    
                    
                        | 500000 |  | 
                                    
                    
                        | 540000 |  | 
                                    
                    
                        | 600000 |  | 
                                    
                    
                        | 640000 |  | 
                                    
                    
                        | 690000 |  | 
                                    
                    
                        | 720000 |  | 
                                    
                    
                        | 750000 |  | 
                                    
                    
                        | 770000 |  | 
                                    
                    
                        | 780000 |  | 
                                    
                    
                        | 792000 |  | 
                                    
                    
                        | 800000 |  | 
                                    
                    
                        | 810000 |  | 
                                    
                    
                        | 840000 |  | 
                                    
                    
                        | 860000 |  | 
                                    
                    
                        | 900000 |  | 
                                    
                    
                        | 1000000 |  | 
                                    
                    
                        | 1200000 |  | 
                                    
                    
                        | 1300000 |  | 
                                    
                    
                        | 1400000 |  | 
                                    
                    
                        | 1440000 |  | 
                                    
                    
                        | 1500000 |  | 
                                    
                    
                        | 1560000 |  | 
                                    
                    
                        | 1584000 |  | 
                                    
                    
                        | 1800000 |  | 
                                    
                    
                        | 2000000 |  | 
                                    
                    
                        | 2240000 |  | 
                                    
                    
                        | 2400000 |  | 
                                    
                    
                        | 3000000 |  | 
                                    
                    
                        | 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.