| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very weak | 57 |
5.7%
|
| 2 | Weak | 96 |
9.6%
|
| 3 | Needs minor repairs | 179 |
17.9%
|
| 4 | Good | 420 |
42.1%
|
| 5 | Very good | 244 |
24.4%
|
| 9 | Unspecified | 2 |
0.2%
|