| Value | Category | 
                                    
                    
                        | 1 | employer,10+ employees | 
                                    
                    
                        | 2 | employer, <10 employees | 
                                    
                    
                        | 3 | professional | 
                                    
                    
                        | 4 | supervisor (office workers) | 
                                    
                    
                        | 5 | non-manual office worker | 
                                    
                    
                        | 6 | foreman/supervisor | 
                                    
                    
                        | 7 | skilled manual worker (formal sector) | 
                                    
                    
                        | 8 | skilled manual worker (informal sector) | 
                                    
                    
                        | 9 | unskilled manual worker (formal sector) | 
                                    
                    
                        | 10 | unskilled manual worker (informal sector) | 
                                    
                    
                        | 11 | miner | 
                                    
                    
                        | 12 | commercial farmer | 
                                    
                    
                        | 13 | subsistence farmer | 
                                    
                    
                        | 14 | farmworker | 
                                    
                    
                        | 15 | domestic/maid | 
                                    
                    
                        | 16 | armed services/police | 
                                    
                    
                        | 17 | student | 
                                    
                    
                        | 18 | housewife | 
                                    
                    
                        | 19 | disabled | 
                                    
                    
                        | 20 | never had a job | 
                                    
                    
                        | 21 | don't know | 
                                    
                    
                        | 98 | refused | 
                                    
                    
                        | 99 | 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.