| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very weak | 977 |
4.6%
|
| 2 | Weak | 1943 |
9.2%
|
| 3 | Needs minor repairs | 4895 |
23.1%
|
| 4 | Good | 9846 |
46.4%
|
| 5 | Very good | 3350 |
15.8%
|
| 9 | Unspecified | 207 |
1%
|