| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very weak | 77 |
7.7%
|
| 2 | Weak | 110 |
11%
|
| 3 | Needs minor repairs | 153 |
15.3%
|
| 4 | Good | 398 |
39.9%
|
| 5 | Very good | 259 |
26%
|
| 9 | Unspecified | 1 |
0.1%
|