| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 710 |
84.6%
|
| 2 | SOME DIFFICULTY | 43 |
5.1%
|
| 3 | A LOT OF DIFFICULTY | 14 |
1.7%
|
| 4 | CANNOT REMEMBER THINGS AT ALL | 2 |
0.2%
|
| 9 | NO RESPONSE | 2 |
0.2%
|
| Sysmiss | 68 |
8.1%
|