| Value | Category | Cases | |
|---|---|---|---|
| 1 | Extremely inadequate | 2996 |
11.9%
|
| 2 | Inadequate | 8456 |
33.6%
|
| 3 | Adequate | 12545 |
49.9%
|
| 4 | Excellent | 1148 |
4.6%
|
| Sysmiss | 1 |