| Value | Category | 
                                    
                    
                        | 80 |  | 
                                    
                    
                        | 100 |  | 
                                    
                    
                        | 150 |  | 
                                    
                    
                        | 160 |  | 
                                    
                    
                        | 200 |  | 
                                    
                    
                        | 221 |  | 
                                    
                    
                        | 240 |  | 
                                    
                    
                        | 250 |  | 
                                    
                    
                        | 350 |  | 
                                    
                    
                        | 360 |  | 
                                    
                    
                        | 400 |  | 
                                    
                    
                        | 440 |  | 
                                    
                    
                        | 500 |  | 
                                    
                    
                        | 650 |  | 
                                    
                    
                        | 800 |  | 
                                    
                    
                        | 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.