| Value | Category | Cases | |
|---|---|---|---|
| 1 | Extremely inadequate | 3615 |
14.4%
|
| 2 | Inadequate | 9141 |
36.4%
|
| 3 | Adequate | 11295 |
44.9%
|
| 4 | Excellent | 1093 |
4.3%
|
| Sysmiss | 2 |