| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very weak | 1658 |
6.4%
|
| 2 | Weak | 2949 |
11.4%
|
| 3 | Needs minor repairs | 6077 |
23.6%
|
| 4 | Good | 10468 |
40.6%
|
| 5 | Very good | 4298 |
16.7%
|
| 9 | Unspecified | 336 |
1.3%
|