| Value | Category | 
                                    
                    
                        | 0 | Did not work | 
                                    
                    
                        | 1 | Armed forces | 
                                    
                    
                        | 11 | Legislators and senior officials | 
                                    
                    
                        | 12 | Corporate managers | 
                                    
                    
                        | 13 | General managers | 
                                    
                    
                        | 21 | Physical, mathematical and engineering science professionals | 
                                    
                    
                        | 22 | Life science and health professionals | 
                                    
                    
                        | 23 | Teaching professionals | 
                                    
                    
                        | 24 | Other professionals | 
                                    
                    
                        | 31 | Physical and engineering science associate professionals | 
                                    
                    
                        | 32 | Life science and health associate professionals | 
                                    
                    
                        | 33 | Teaching associate professionals | 
                                    
                    
                        | 34 | Other associate professionals | 
                                    
                    
                        | 41 | Office clerks | 
                                    
                    
                        | 42 | Customer service clerks | 
                                    
                    
                        | 51 | Personal and protective services workers | 
                                    
                    
                        | 52 | Models, salespersons and demonstrators | 
                                    
                    
                        | 61 | Market-oriented skilled agricultural and fishery workers | 
                                    
                    
                        | 62 | Subsistence agricultural and fishery workers | 
                                    
                    
                        | 71 | Extraction and building trade workers | 
                                    
                    
                        | 72 | Metal, machinery and related trades workers | 
                                    
                    
                        | 73 | Precision, handicraft, printing and related trades workers | 
                                    
                    
                        | 74 | Other craft and related trades workers | 
                                    
                    
                        | 81 | Stationary plant and related operators | 
                                    
                    
                        | 82 | Machine operators and assemblers | 
                                    
                    
                        | 83 | Drivers and mobile plant operators | 
                                    
                    
                        | 91 | Sales and services elementary occupations | 
                                    
                    
                        | 92 | Agricultural, fishery and related labourers | 
                                    
                    
                        | 93 | Labourers in mining, construction, manufacturing and transpo | 
                            
            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.