| Value | Category | 
                                    
                    
                        | 1 | Employed at organisation | 
                                    
                    
                        | 2 | Employed by natural persons | 
                                    
                    
                        | 3 | Organization/firm owner or co-owner (employer) | 
                                    
                    
                        | 4 | Member of producer co-operative | 
                                    
                    
                        | 5 | Self-employed | 
                                    
                    
                        | 6 | Own-account worker | 
                                    
                    
                        | 7 | Contributing family worker | 
                                    
                    
                        | 8 | Other worker | 
                                    
                    
                        | 9 | Pensioner | 
                                    
                    
                        | 10 | Student | 
                                    
                    
                        | 11 | The unemployed | 
                                    
                    
                        | 12 | House-wife | 
                                    
                    
                        | 13 | Other non-worker | 
                                    
                    
                        | 99 | Doesn't know, refuses to answer | 
                                    
                    
                        | 0 | Missing | 
                            
            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.