| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 1105 |
81.7%
|
| 2 | SOME DIFFICULTY | 39 |
2.9%
|
| 3 | A LOT OF DIFFICULTY | 9 |
0.7%
|
| 4 | CANNOT LEARN THINGS AT ALL | 3 |
0.2%
|
| 9 | NO RESPONSE | 1 |
0.1%
|
| Sysmiss | 195 |
14.4%
|