| Value | Category | Cases | |
|---|---|---|---|
| 0 | No check | 0 | 
                            
                             
                                
                                0%
                                                             
                            
                         | 
                        
                    
| 1 | Skilled Personnel | 431 | 
                            
                             
                                
                                38.3%
                                                             
                            
                         | 
                        
                    
| 2 | Non-Skilled Personnel | 102 | 
                            
                             
                                
                                9.1%
                                                             
                            
                         | 
                        
                    
| 5 | Missing | 565 | 
                            
                             
                                
                                50.2%
                                                             
                            
                         | 
                        
                    
| 98 | Don't Know | 28 | 
                            
                             
                                
                                2.5%
                                                             
                            
                         | 
                        
                    
| Sysmiss | 85 |