| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very weak | 680 |
3.3%
|
| 2 | Weak | 1244 |
5.9%
|
| 3 | Needs minor repairs | 3631 |
17.4%
|
| 4 | Good | 11957 |
57.2%
|
| 5 | Very good | 3194 |
15.3%
|
| 9 | Unspecified | 202 |
1%
|