| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 4601 |
86.8%
|
| 2 | SOME DIFFICULTY | 329 |
6.2%
|
| 3 | A LOT OF DIFFICULTY | 65 |
1.2%
|
| 4 | CANNOT REMEMBER THINGS AT ALL | 4 |
0.1%
|
| 9 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 301 |
5.7%
|