| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 1109 |
56.4%
|
| 2 | SOME DIFFICULTY | 36 |
1.8%
|
| 3 | A LOT OF DIFFICULTY | 4 |
0.2%
|
| 4 | CANNOT LEARN THINGS AT ALL | 14 |
0.7%
|
| 9 | NO RESPONSE | 11 |
0.6%
|
| Sysmiss | 793 |
40.3%
|