| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO, No Difficulty | 4038 |
96.1%
|
| 2 | YES, Some Difficulty | 125 |
3%
|
| 3 | YES, Alot of difficulty | 21 |
0.5%
|
| 4 | Cannot do at all | 18 |
0.4%
|
| Sysmiss | 342 |