| Value | Category | Cases | |
|---|---|---|---|
| 0 | No check | 0 | 
                            
                             
                                
                                0%
                                                             
                            
                         | 
                        
                    
| 1 | Skilled Personnel | 448 | 
                            
                             
                                
                                39.8%
                                                             
                            
                         | 
                        
                    
| 2 | Non-Skilled Personnel | 54 | 
                            
                             
                                
                                4.8%
                                                             
                            
                         | 
                        
                    
| 5 | Missing | 587 | 
                            
                             
                                
                                52.1%
                                                             
                            
                         | 
                        
                    
| 8 | 3 | 
                            
                             
                                
                                0.3%
                                                             
                            
                         | 
                        
                    |
| 96 | 34 | 
                            
                             
                                
                                3%
                                                             
                            
                         | 
                        
                    |
| Sysmiss | 85 |