| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO, No Difficulty | 2921 |
96.1%
|
| 2 | YES, Some Difficulty | 49 |
1.6%
|
| 3 | YES, Alot of difficulty | 26 |
0.9%
|
| 4 | Cannot do at all | 44 |
1.4%
|
| Sysmiss | 1504 |