| Value | Category | 
                                    
                    
                        | 1 | Factory | 
                                    
                    
                        | 2 | Construction | 
                                    
                    
                        | 3 | Mining | 
                                    
                    
                        | 4 | Crop/Livestock farming | 
                                    
                    
                        | 5 | Domestic work | 
                                    
                    
                        | 6 | Entertainment | 
                                    
                    
                        | 7 | Other | 
                                    
                    
                        | 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.