| Value | Category | Cases | |
|---|---|---|---|
| 1 | Extremely inadequate | 2663 |
10.6%
|
| 2 | Inadequate | 7151 |
28.4%
|
| 3 | Adequate | 14111 |
56.1%
|
| 4 | Excellent | 1220 |
4.9%
|
| Sysmiss | 1 |