| Value | Category | Cases | |
|---|---|---|---|
| 1 | excellent | 73 | 
                                    
                                    7.3%
                                 | 
| 2 | very good | 530 | 
                                    
                                    53%
                                 | 
| 3 | fair | 356 | 
                                    
                                    35.6%
                                 | 
| 4 | poor | 37 | 
                                    
                                    3.7%
                                 | 
| 5 | very poor | 4 | 
                                    
                                    0.4%
                                 |