| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 51550 |
75%
|
| 2 | SOME DIFFICULTY | 5602 |
8.2%
|
| 3 | A LOT OF DIFFICULTY | 518 |
0.8%
|
| 4 | CANNOT REMEMBER/CONCENTRATE AT ALL | 26 |
0%
|
| 9 | NO RESPONSE | 3 |
0%
|
| Sysmiss | 11010 |
16%
|