| Value | Category | 
                                    
                    
                        | -9 |  | 
                                    
                    
                        | 0 |  | 
                                    
                    
                        | 1 | Physical scientists and related technicians | 
                                    
                    
                        | 2 | Architects and related workers | 
                                    
                    
                        | 3 | Engineers and related workers | 
                                    
                    
                        | 4 | Aircraft and ships' officers | 
                                    
                    
                        | 5 | Life scientists and related technicians | 
                                    
                    
                        | 6 | Medical and dental workers | 
                                    
                    
                        | 7 | Veterinary and related workers | 
                                    
                    
                        | 8 | Statisticians, Mathematicians, Systems analysts, etc. | 
                                    
                    
                        | 9 | Economists | 
                                    
                    
                        | 10 | Accountants, Auditors, etc. | 
                                    
                    
                        | 11 | Jurists, Judges, Lawyers Advocates, etc. | 
                                    
                    
                        | 12 | Teachers | 
                                    
                    
                        | 13 | Workers in religion | 
                                    
                    
                        | 14 | Authors, Journalists and related workers | 
                                    
                    
                        | 15 | Sculptors, Artists, Painters Photographers and related workers | 
                                    
                    
                        | 16 | Composers and performing workers | 
                                    
                    
                        | 17 | Athletes, sportsmen and related workers | 
                                    
                    
                        | 19 | Other professionals not elsewhere classified | 
                                    
                    
                        | 20 | President, Vice President, Prime Minister, Ministers, Legislative members and other political appointments in Government administration | 
                                    
                    
                        | 21 | Government Civil service officers and administrators | 
                                    
                    
                        | 22 | Managerial and General administrative workers | 
                                    
                    
                        | 23 | Religious workers, elected or otherwise | 
                                    
                    
                        | 24 | Political and social workers, elected or otherwise | 
                                    
                    
                        | 29 | Others | 
                                    
                    
                        | 30 | Clerks and clerical supervisors | 
                                    
                    
                        | 31 | Government general executive staff, officials etc. | 
                                    
                    
                        | 32 | Stenographers, typists and card/tape punching, machine operators | 
                                    
                    
                        | 33 | Book-keepers, cashiers and related workers | 
                                    
                    
                        | 34 | Computing machine operators | 
                                    
                    
                        | 35 | Transport and communication supervisors | 
                                    
                    
                        | 36 | Transport conductors | 
                                    
                    
                        | 37 | Mail distribution clerks | 
                                    
                    
                        | 39 | Other clerical related workers | 
                                    
                    
                        | 40 | Managers (wholesale and retail trade) | 
                                    
                    
                        | 41 | Working proprietors for wholesale and retail trade | 
                                    
                    
                        | 42 | Sales supervisors and buyers | 
                                    
                    
                        | 43 | Technical salesmen | 
                                    
                    
                        | 44 | Insurance, real estate and business services salesmen | 
                                    
                    
                        | 45 | Salesmen, shop attendants and related workers | 
                                    
                    
                        | 49 | Sales workers not elsewhere classified | 
                                    
                    
                        | 50 | Managers for catering and lodging services | 
                                    
                    
                        | 51 | Working proprietors for catering and lodging services | 
                                    
                    
                        | 52 | House-keeping and related services | 
                                    
                    
                        | 53 | Cooks, waiters, bartenders and related workers | 
                                    
                    
                        | 54 | Maids and related house-keeping workers not elsewhere classified | 
                                    
                    
                        | 55 | Building care-takers, cleaning and related workers | 
                                    
                    
                        | 56 | Launders, dry-cleaners and pressers | 
                                    
                    
                        | 57 | Hair-dressers, barbers, beauticians and related workers | 
                                    
                    
                        | 58 | Protective service workers (Police and defence personnel) | 
                                    
                    
                        | 59 | Service workers not elsewhere classified | 
                                    
                    
                        | 60 | Farm managers and supervisors | 
                                    
                    
                        | 61 | Farmers and other agricultural workers | 
                                    
                    
                        | 62 | Animal Husbandry workers | 
                                    
                    
                        | 63 | Forestry workers | 
                                    
                    
                        | 64 | Fishermen, Hunters and related workers | 
                                    
                    
                        | 65 | Poultry, bee-keeping etc. workers | 
                                    
                    
                        | 69 | Other agricultural workers | 
                                    
                    
                        | 70 | Production supervisors and general foremen | 
                                    
                    
                        | 71 | Miners, quarrymen, well drillers and related workers | 
                                    
                    
                        | 72 | Metal processors | 
                                    
                    
                        | 73 | Wood preparation workers and paper makers | 
                                    
                    
                        | 74 | Chemical processors and related workers | 
                                    
                    
                        | 75 | Spinners, weavers, knitters, dyers and related workers | 
                                    
                    
                        | 76 | Tanners and related workers | 
                                    
                    
                        | 77 | Food and beverage processors | 
                                    
                    
                        | 78 | Tobacco preparers and tobacco product makers | 
                                    
                    
                        | 79 | Tailors dress-makers and related workers | 
                                    
                    
                        | 80 | Shoe-makers and leather goods makers | 
                                    
                    
                        | 81 | Cabinet and furniture makers and wood carvers | 
                                    
                    
                        | 82 | Stone cutters and carvers | 
                                    
                    
                        | 83 | Blacksmiths, toolmakers and machine-tool operators | 
                                    
                    
                        | 84 | Machinery fitters and general car and other mechanics | 
                                    
                    
                        | 85 | Electric fitters and related fitters and electronic workers | 
                                    
                    
                        | 86 | Broadcasting, cinema projections etc. | 
                                    
                    
                        | 87 | Plumbers, wielders, sheet metal and other metal workers | 
                                    
                    
                        | 88 | Jewelry and precious metal workers | 
                                    
                    
                        | 89 | Glass former, potters and related workers | 
                                    
                    
                        | 90 | Rubber and plastic product makers | 
                                    
                    
                        | 91 | Paper and paperboard product makers | 
                                    
                    
                        | 92 | Printers and related workers | 
                                    
                    
                        | 93 | Painters and related workers | 
                                    
                    
                        | 94 | Production and related workers not elsewhere classified | 
                                    
                    
                        | 95 | Bricklayers and other construction workers | 
                                    
                    
                        | 96 | Stationary engine and related operators | 
                                    
                    
                        | 97 | Material handling and related equipment operators | 
                                    
                    
                        | 98 | Transport equipment operators | 
                                    
                    
                        | 99 | Labourers not elsewhere classified | 
                                    
                    
                        | 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.