| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 1003 |
45.8%
|
| 2 | SOME DIFFICULTY | 236 |
10.8%
|
| 3 | A LOT OF DIFFICULTY | 17 |
0.8%
|
| 4 | CANNOT LEARN THINGS AT ALL | 11 |
0.5%
|
| 9 | NO RESPONSE | 4 |
0.2%
|
| Sysmiss | 918 |
41.9%
|