| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO, No Difficulty | 3553 |
96.4%
|
| 2 | YES, Some Difficulty | 99 |
2.7%
|
| 3 | YES, Alot of difficulty | 19 |
0.5%
|
| 4 | Cannot do at all | 16 |
0.4%
|
| Sysmiss | 857 |