| Value | Category | 
                                    
                    
                        | 1 | Working | 
                                    
                    
                        | 2 | Not working and used to work | 
                                    
                    
                        | 3 | Not working and never worked | 
                                    
                    
                        | 4 | Student | 
                                    
                    
                        | 5 | Housewife | 
                                    
                    
                        | 6 | Self | 
                                    
                    
                        | 7 | Retired | 
                                    
                    
                        | 8 | Handicapped | 
                                    
                    
                        | 96 | Other | 
                            
            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.