| Value | 
                    Category | 
                                                                            
                                    
                    
                        | 1 | 
                        daily wage  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 2 | 
                        weekly wage  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 3 | 
                        monthly wage  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 4 | 
                        contract basis  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 5 | 
                        piece rate basis  | 
                        
                            
                        
                        
                        
                        
                            
                    
                                    
                    
                        | 77 | 
                        other (specify)  | 
                        
                            
                        
                        
                        
                        
                            
                    
                            
            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.