| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very Good | 50488 | 
                                                                 
                                    
                                    6.5%
                                 
                                                             | 
                                                        
                    
| 2 | Good | 128905 | 
                                                                 
                                    
                                    16.6%
                                 
                                                             | 
                                                        
                    
| 3 | Fair | 446561 | 
                                                                 
                                    
                                    57.6%
                                 
                                                             | 
                                                        
                    
| 4 | No Knowledge | 127180 | 
                                                                 
                                    
                                    16.4%
                                 
                                                             | 
                                                        
                    
| 9 | Unspecified | 21818 | 
                                                                 
                                    
                                    2.8%
                                 
                                                             |