| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very weak | 110 |
11%
|
| 2 | Weak | 139 |
13.9%
|
| 3 | Needs minor repairs | 171 |
17.1%
|
| 4 | Good | 391 |
39.2%
|
| 5 | Very good | 181 |
18.1%
|
| 9 | Unspecified | 6 |
0.6%
|