| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO, No Difficulty | 3539 |
96%
|
| 2 | YES, Some Difficulty | 70 |
1.9%
|
| 3 | YES, Alot of difficulty | 29 |
0.8%
|
| 4 | Cannot do at all | 49 |
1.3%
|
| Sysmiss | 857 |