| Value | Category | Cases | |
|---|---|---|---|
| 0 | No check | 4 | 
                            
                             
                                
                                1.4%
                                                             
                            
                         | 
                        
                    
| 1 | Skilled Personnel | 232 | 
                            
                             
                                
                                82.3%
                                                             
                            
                         | 
                        
                    
| 2 | Non-Skilled Personnel | 30 | 
                            
                             
                                
                                10.6%
                                                             
                            
                         | 
                        
                    
| 5 | Missing | 16 | 
                            
                             
                                
                                5.7%
                                                             
                            
                         | 
                        
                    
| Sysmiss | 317 |