| Value | Category | 
                                    
                    
                        | -9 | Don't know (SPONTANEOUS) | 
                                    
                    
                        | -8 | REFUSAL (SPONTANEOUS) | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 30000 |  | 
                                    
                    
                        | 50000 |  | 
                                    
                    
                        | 55000 |  | 
                                    
                    
                        | 80000 |  | 
                                    
                    
                        | 100000 |  | 
                                    
                    
                        | 120000 |  | 
                                    
                    
                        | 130000 |  | 
                                    
                    
                        | 150000 |  | 
                                    
                    
                        | 170000 |  | 
                                    
                    
                        | 200000 |  | 
                                    
                    
                        | 350000 |  | 
                                    
                    
                        | 400000 |  | 
                                    
                    
                        | 450000 |  | 
                                    
                    
                        | 460000 |  | 
                                    
                    
                        | 500000 |  | 
                                    
                    
                        | 600000 |  | 
                                    
                    
                        | 670000 |  | 
                                    
                    
                        | 700000 |  | 
                                    
                    
                        | 750000 |  | 
                                    
                    
                        | 800000 |  | 
                                    
                    
                        | 1000000 |  | 
                                    
                    
                        | 1300000 |  | 
                                    
                    
                        | 1500000 |  | 
                                    
                    
                        | 1800000 |  | 
                                    
                    
                        | 2000000 |  | 
                                    
                    
                        | 2000700 |  | 
                                    
                    
                        | 2300000 |  | 
                                    
                    
                        | 2500000 |  | 
                                    
                    
                        | 2600000 |  | 
                                    
                    
                        | 3000000 |  | 
                                    
                    
                        | 3500000 |  | 
                                    
                    
                        | 4000000 |  | 
                                    
                    
                        | 4500000 |  | 
                                    
                    
                        | 5000000 |  | 
                                    
                    
                        | 5500000 |  | 
                                    
                    
                        | 6000000 |  | 
                                    
                    
                        | 7000000 |  | 
                                    
                    
                        | 8000000 |  | 
                                    
                    
                        | 10000000 |  | 
                                    
                    
                        | 12000000 |  | 
                                    
                    
                        | 14000000 |  | 
                                    
                    
                        | 15000000 |  | 
                                    
                    
                        | 18000000 |  | 
                                    
                    
                        | 20000000 |  | 
                                    
                    
                        | 25000000 |  | 
                                    
                    
                        | 35000000 |  | 
                                    
                    
                        | 40000000 |  | 
                                    
                    
                        | 45000000 |  | 
                                    
                    
                        | 80000000 |  | 
                                    
                    
                        | 200000000 |  | 
                                    
                    
                        | 250000000 |  | 
                                    
                    
                        | 1400000000 |  | 
                                    
                    
                        | 1500000000 |  | 
                                    
                    
                        | 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.