| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very weak | 29 |
2.9%
|
| 2 | Weak | 51 |
5.1%
|
| 3 | Needs minor repairs | 128 |
12.8%
|
| 4 | Good | 479 |
48%
|
| 5 | Very good | 309 |
31%
|
| 9 | Unspecified | 2 |
0.2%
|