| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very good/excellent | 1725 | 
                                                                 
                                    
                                    8.9%
                                 
                                                             | 
                                                        
                    
| 2 | Good | 3556 | 
                                                                 
                                    
                                    18.4%
                                 
                                                             | 
                                                        
                    
| 3 | Fair | 4675 | 
                                                                 
                                    
                                    24.2%
                                 
                                                             | 
                                                        
                    
| 4 | Poor | 4382 | 
                                                                 
                                    
                                    22.7%
                                 
                                                             | 
                                                        
                    
| 5 | Very poor | 4971 | 
                                                                 
                                    
                                    25.7%
                                 
                                                             |