| Value | Category | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 2 |  | 
                                    
                    
                        | 10000 |  | 
                                    
                    
                        | 30000 |  | 
                                    
                    
                        | 36000 |  | 
                                    
                    
                        | 50000 |  | 
                                    
                    
                        | 60000 |  | 
                                    
                    
                        | 68000 |  | 
                                    
                    
                        | 70000 |  | 
                                    
                    
                        | 80000 |  | 
                                    
                    
                        | 81000 |  | 
                                    
                    
                        | 100000 |  | 
                                    
                    
                        | 110000 |  | 
                                    
                    
                        | 120000 |  | 
                                    
                    
                        | 150000 |  | 
                                    
                    
                        | 160000 |  | 
                                    
                    
                        | 200000 |  | 
                                    
                    
                        | 240000 |  | 
                                    
                    
                        | 250000 |  | 
                                    
                    
                        | 280000 |  | 
                                    
                    
                        | 300000 |  | 
                                    
                    
                        | 350000 |  | 
                                    
                    
                        | 360000 |  | 
                                    
                    
                        | 400000 |  | 
                                    
                    
                        | 500000 |  | 
                                    
                    
                        | 600000 |  | 
                                    
                    
                        | 650000 |  | 
                                    
                    
                        | 680000 |  | 
                                    
                    
                        | 750000 |  | 
                                    
                    
                        | 800000 |  | 
                                    
                    
                        | 1000000 |  | 
                                    
                    
                        | 1400000 |  | 
                                    
                    
                        | 1500000 |  | 
                                    
                    
                        | 1800000 |  | 
                                    
                    
                        | 2300000 |  | 
                                    
                    
                        | 3900000 |  | 
                                    
                    
                        | 5000000 |  | 
                                    
                    
                        | 7000000 |  | 
                                    
                    
                        | 12000000 |  | 
                                    
                    
                        | 2147483625 | don't know | 
                                    
                    
                        | 2147483639 | refusal | 
                                    
                    
                        | 2147483640 | skipped | 
                                    
                    
                        | 2147483645 | .x. censored | 
                                    
                    
                        | 100000001 | .. | 
                                    
                    
                        | 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.