| Value | Category | 
                                    
                    
                        | -9 | do not know (spontaneous) | 
                                    
                    
                        | -8 | refusal (spontaneous) | 
                                    
                    
                        | 10000 |  | 
                                    
                    
                        | 18000 |  | 
                                    
                    
                        | 25000 |  | 
                                    
                    
                        | 40000 |  | 
                                    
                    
                        | 45000 |  | 
                                    
                    
                        | 48000 |  | 
                                    
                    
                        | 60000 |  | 
                                    
                    
                        | 80000 |  | 
                                    
                    
                        | 110000 |  | 
                                    
                    
                        | 150000 |  | 
                                    
                    
                        | 180000 |  | 
                                    
                    
                        | 190000 |  | 
                                    
                    
                        | 220000 |  | 
                                    
                    
                        | 250000 |  | 
                                    
                    
                        | 297000 |  | 
                                    
                    
                        | 300000 |  | 
                                    
                    
                        | 350000 |  | 
                                    
                    
                        | 400000 |  | 
                                    
                    
                        | 500000 |  | 
                                    
                    
                        | 550000 |  | 
                                    
                    
                        | 600000 |  | 
                                    
                    
                        | 648000 |  | 
                                    
                    
                        | 650000 |  | 
                                    
                    
                        | 700000 |  | 
                                    
                    
                        | 720000 |  | 
                                    
                    
                        | 800000 |  | 
                                    
                    
                        | 900000 |  | 
                                    
                    
                        | 960000 |  | 
                                    
                    
                        | 970000 |  | 
                                    
                    
                        | 1000000 |  | 
                                    
                    
                        | 1028000 |  | 
                                    
                    
                        | 1200000 |  | 
                                    
                    
                        | 1364000 |  | 
                                    
                    
                        | 1600000 |  | 
                                    
                    
                        | 1700000 |  | 
                                    
                    
                        | 2000000 |  | 
                                    
                    
                        | 2100000 |  | 
                                    
                    
                        | 2264000 |  | 
                                    
                    
                        | 2300000 |  | 
                                    
                    
                        | 2500000 |  | 
                                    
                    
                        | 2600000 |  | 
                                    
                    
                        | 2700000 |  | 
                                    
                    
                        | 3000000 |  | 
                                    
                    
                        | 3100000 |  | 
                                    
                    
                        | 3270000 |  | 
                                    
                    
                        | 4000000 |  | 
                                    
                    
                        | 4200000 |  | 
                                    
                    
                        | 5000000 |  | 
                                    
                    
                        | 7000000 |  | 
                                    
                    
                        | 7079000 |  | 
                                    
                    
                        | 7500000 |  | 
                                    
                    
                        | 8000000 |  | 
                                    
                    
                        | 9000000 |  | 
                                    
                    
                        | 10000000 |  | 
                                    
                    
                        | 10668000 |  | 
                                    
                    
                        | 12677600 |  | 
                                    
                    
                        | 13000000 |  | 
                                    
                    
                        | 14000000 |  | 
                                    
                    
                        | 16000000 |  | 
                                    
                    
                        | 18000000 |  | 
                                    
                    
                        | 20000000 |  | 
                                    
                    
                        | 24000000 |  | 
                                    
                    
                        | 25000000 |  | 
                                    
                    
                        | 26000000 |  | 
                                    
                    
                        | 28000000 |  | 
                                    
                    
                        | 30000000 |  | 
                                    
                    
                        | 61500000 |  | 
                                    
                    
                        | 80000000 |  | 
                                    
                    
                        | 170000000 |  | 
                                    
                    
                        | 300000000 |  | 
                            
            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.