| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very good/excellent | 2543 | 
                                                                 
                                    
                                    13.1%
                                 
                                                             | 
                                                        
                    
| 2 | Good | 6618 | 
                                                                 
                                    
                                    34.1%
                                 
                                                             | 
                                                        
                    
| 3 | Fair | 6181 | 
                                                                 
                                    
                                    31.8%
                                 
                                                             | 
                                                        
                    
| 4 | Poor | 2496 | 
                                                                 
                                    
                                    12.8%
                                 
                                                             | 
                                                        
                    
| 5 | Very poor | 1595 | 
                                                                 
                                    
                                    8.2%
                                 
                                                             |