| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very weak | 865 |
4.3%
|
| 2 | Weak | 1918 |
9.6%
|
| 3 | Needs minor repairs | 4905 |
24.6%
|
| 4 | Good | 10094 |
50.6%
|
| 5 | Very good | 2158 |
10.8%
|