| Value | 
                    Category | 
                                                                            
                                    
                    
                        | -8 | 
                        Refused  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 0 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 1 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 2 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 3 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 4 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 5 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 6 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 7 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 10 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 12 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 13 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 14 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 15 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 18 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 19 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 20 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 22 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 23 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 24 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 30 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 32 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 33 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 36 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 40 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 42 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 43 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 44 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 45 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 46 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 47 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 48 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 50 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 52 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 54 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 55 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 57 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 58 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 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.