| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very good/excellent | 639 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    
| 2 | Good | 2411 | 
                                                                 
                                    
                                    12.6%
                                 
                                                             | 
                                                        
                    
| 3 | Fair | 5496 | 
                                                                 
                                    
                                    28.6%
                                 
                                                             | 
                                                        
                    
| 4 | Poor | 6651 | 
                                                                 
                                    
                                    34.7%
                                 
                                                             | 
                                                        
                    
| 5 | Very poor | 3993 | 
                                                                 
                                    
                                    20.8%
                                 
                                                             |