| Value | Category | Cases | |
|---|---|---|---|
| 0 | Unskilled Personnel | 4 | 
                            
                             
                                
                                0.7%
                                                             
                            
                         | 
                        
                    
| 1 | Skilled Personnel | 544 | 
                            
                             
                                
                                99.3%
                                                             
                            
                         | 
                        
                    
| Sysmiss | 51 |