| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very poor | 6 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    
| 2 | poor | 36 | 
                                                                 
                                    
                                    19.4%
                                 
                                                             | 
                                                        
                    
| 3 | high | 137 | 
                                                                 
                                    
                                    73.7%
                                 
                                                             | 
                                                        
                    
| 4 | very hight | 7 | 
                                                                 
                                    
                                    3.8%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 405 |