| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very weak | 28 |
2.8%
|
| 2 | Weak | 52 |
5.2%
|
| 3 | Needs minor repairs | 125 |
12.5%
|
| 4 | Good | 475 |
47.6%
|
| 5 | Very good | 316 |
31.7%
|
| 9 | Unspecified | 2 |
0.2%
|