| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 1173 |
68.2%
|
| 2 | SOME DIFFICULTY | 101 |
5.9%
|
| 3 | A LOT OF DIFFICULTY | 17 |
1%
|
| 9 | NO RESPONSE | 5 |
0.3%
|
| Sysmiss | 425 |
24.7%
|