| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO, No Difficulty | 4057 |
96.5%
|
| 2 | YES, Some Difficulty | 83 |
2%
|
| 3 | YES, Alot of difficulty | 24 |
0.6%
|
| 4 | Cannot do at all | 38 |
0.9%
|
| Sysmiss | 342 |