| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very weak | 1057 |
4.9%
|
| 2 | Weak | 2215 |
10.3%
|
| 3 | Needs minor repairs | 4562 |
21.1%
|
| 4 | Good | 10317 |
47.8%
|
| 5 | Very good | 3254 |
15.1%
|
| 9 | Unspecified | 196 |
0.9%
|