| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very good | 484 |
12.9%
|
| 2 | Good | 1369 |
36.6%
|
| 3 | Middle | 1530 |
40.9%
|
| 4 | Poor | 306 |
8.2%
|
| 5 | Very poor | 50 |
1.3%
|