| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Very weak | 580 |
2.9%
|
| 2 | 2. Weak | 1649 |
8.2%
|
| 3 | 3. Needs minor repairs | 5144 |
25.6%
|
| 4 | 4. Good | 10379 |
51.6%
|
| 5 | 5. Very good | 2343 |
11.7%
|