| Value | Category | 
                                    
                    
                        | . |  | 
                                    
                    
                        | Commendation letter |  | 
                                    
                    
                        | I personally buy gift for them at the end of the year |  | 
                                    
                    
                        | Off duty(free day) |  | 
                                    
                    
                        | Praise them with words of mouth |  | 
                                    
                    
                        | Praising him/her in front of WDC during meeting |  | 
                                    
                    
                        | Promote the staff |  | 
                                    
                    
                        | Recommend for promotion |  | 
                                    
                    
                        | Sends her to any upcoming workshop |  | 
                                    
                    
                        | Soap |  | 
                                    
                    
                        | Verbal encouragement |  | 
                                    
                    
                        | We just want to start with PBF bonus that would come |  | 
                            
            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.