| Value | Category | 
                                    
                    
                        | 25 |  | 
                                    
                    
                        | 30 |  | 
                                    
                    
                        | 40 |  | 
                                    
                    
                        | 50 |  | 
                                    
                    
                        | 60 |  | 
                                    
                    
                        | 64 |  | 
                                    
                    
                        | 70 |  | 
                                    
                    
                        | 75 |  | 
                                    
                    
                        | 80 |  | 
                                    
                    
                        | 85 |  | 
                                    
                    
                        | 90 |  | 
                                    
                    
                        | 100 |  | 
                                    
                    
                        | 110 |  | 
                                    
                    
                        | 112 |  | 
                                    
                    
                        | 115 |  | 
                                    
                    
                        | 120 |  | 
                                    
                    
                        | 135 |  | 
                                    
                    
                        | 140 |  | 
                                    
                    
                        | 150 |  | 
                                    
                    
                        | 170 |  | 
                                    
                    
                        | 180 |  | 
                                    
                    
                        | 210 |  | 
                                    
                    
                        | 220 |  | 
                                    
                    
                        | 250 |  | 
                                    
                    
                        | 270 |  | 
                                    
                    
                        | 280 |  | 
                                    
                    
                        | 300 |  | 
                                    
                    
                        | 320 |  | 
                                    
                    
                        | 600 |  | 
                                    
                    
                        | 9999998 | refusal | 
                                    
                    
                        | 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.