| Value | 
                    Category | 
                                                                            
                                    
                    
                        | -8 | 
                        Don't know  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 123 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 180 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 196 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 206 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 225 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 267 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 290 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 317 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 340 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 384 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 443 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 535 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 554 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 604 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 870 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 874 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 1112 | 
                          | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 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.