| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 3686 |
54.6%
|
| 2 | SOME DIFFICULTY | 471 |
7%
|
| 3 | A LOT OF DIFFICULTY | 23 |
0.3%
|
| 4 | CANNOT LEARN THINGS AT ALL | 13 |
0.2%
|
| 9 | NO RESPONSE | 3 |
0%
|
| Sysmiss | 2553 |
37.8%
|