| Value | Category | Cases | |
|---|---|---|---|
| 0 | Unskilled Personnel | 86 | 
                            
                             
                                
                                14.4%
                                                             
                            
                         | 
                        
                    
| 1 | Skilled Personnel | 298 | 
                            
                             
                                
                                49.7%
                                                             
                            
                         | 
                        
                    
| 2 | Oneself/Relative/Friend/Neighbour | 197 | 
                            
                             
                                
                                32.9%
                                                             
                            
                         | 
                        
                    
| 95 | Missing | 18 | 
                            
                             
                                
                                3%
                                                             
                            
                         |