| Value | Category | Cases | |
|---|---|---|---|
| 1 | No difficulty | 32816 |
92.2%
|
| 2 | Some difficulty | 2357 |
6.6%
|
| 3 | A lot of difficulty | 298 |
0.8%
|
| 4 | Cannot learn things at all | 121 |
0.3%
|
| 9 | No response | 5 |
0%
|
| Sysmiss | 1455 |