| Value | Category | 
                                    
                    
                        | 1 | Dissatisfied with work conditions | 
                                    
                    
                        | 2 | Missed my family | 
                                    
                    
                        | 3 | Sent home early by employers | 
                                    
                    
                        | 4 | Personal sickness/injury, family emergency | 
                                    
                    
                        | 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.