| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very weak | 624 | 
                                                                 
                                    
                                    3.2%
                                 
                                                             | 
                                                        
                    
| 2 | Weak | 1383 | 
                                                                 
                                    
                                    7%
                                 
                                                             | 
                                                        
                    
| 3 | Needs minor repairs | 3582 | 
                                                                 
                                    
                                    18.2%
                                 
                                                             | 
                                                        
                    
| 4 | Good | 11377 | 
                                                                 
                                    
                                    57.9%
                                 
                                                             | 
                                                        
                    
| 5 | Very good | 2679 | 
                                                                 
                                    
                                    13.6%
                                 
                                                             | 
                                                        
                    
| 9 | Unspecified | 4 | 
                                                                 
                                    
                                    0%
                                 
                                                             |