| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 223 |
37.7%
|
| 2 | SOME DIFFICULTY | 37 |
6.3%
|
| 3 | A LOT OF DIFFICULTY | 10 |
1.7%
|
| Sysmiss | 321 |
54.3%
|