| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very weak | 52 |
5.2%
|
| 2 | Weak | 64 |
6.4%
|
| 3 | Needs minor repairs | 127 |
12.7%
|
| 4 | Good | 536 |
53.7%
|
| 5 | Very good | 220 |
22%
|
| 9 | Unspecified | 0 |
0%
|