| Value | Category | 
                                    
                    
                        | 0 | Not working | 
                                    
                    
                        | 1 | Army | 
                                    
                    
                        | 11 | Top Executives | 
                                    
                    
                        | 12 | General Managers | 
                                    
                    
                        | 13 | Administrative Managers | 
                                    
                    
                        | 21 | Specialists in physics, mathematics and technics | 
                                    
                    
                        | 22 | Specialists in life & health science | 
                                    
                    
                        | 23 | Education & training specialists | 
                                    
                    
                        | 24 | Other specialists in the intellectual and scientific professions | 
                                    
                    
                        | 31 | Intermediate physics & technics occupations | 
                                    
                    
                        | 32 | Intermediate life & health science | 
                                    
                    
                        | 33 | Intermediate in education and training | 
                                    
                    
                        | 34 | Other intermediate | 
                                    
                    
                        | 41 | Office worker | 
                                    
                    
                        | 42 | Reception, cash, counter clerks | 
                                    
                    
                        | 51 | Personnel of service protection & safety | 
                                    
                    
                        | 52 | Models, salesmen and demonstrators | 
                                    
                    
                        | 61 | Agriculture and fishing | 
                                    
                    
                        | 62 | Agriculture and fishing of subsistence | 
                                    
                    
                        | 71 | Craftsmen and workers in extraction and building | 
                                    
                    
                        | 72 | Craftsmen and workers in metallurgy and mechanical engineering | 
                                    
                    
                        | 73 | Craftsmen and workers in mechanics of precision, art and printing | 
                                    
                    
                        | 74 | Other craftsmen and worker in art | 
                                    
                    
                        | 81 | Drivers of fixed installations and materials | 
                                    
                    
                        | 82 | Metal wire makers and drawers | 
                                    
                    
                        | 83 | Drivers of machines and assembling | 
                                    
                    
                        | 84 | Drivers of vehicles and heavy machines of lifting | 
                                    
                    
                        | 91 | Unskilled service and sales worker | 
                                    
                    
                        | 92 | Operators in agriculture and fishing | 
                                    
                    
                        | 93 | Operators in mines, building and public work | 
                            
            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.