| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very Good | 82522 | 
                                                                 
                                    
                                    10.6%
                                 
                                                             | 
                                                        
                    
| 2 | Good | 25339 | 
                                                                 
                                    
                                    3.3%
                                 
                                                             | 
                                                        
                    
| 3 | Fair | 146998 | 
                                                                 
                                    
                                    19%
                                 
                                                             | 
                                                        
                    
| 4 | No Knowledge | 486578 | 
                                                                 
                                    
                                    62.8%
                                 
                                                             | 
                                                        
                    
| 9 | Unspecified | 33515 | 
                                                                 
                                    
                                    4.3%
                                 
                                                             |