| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO, No Difficulty | 2918 |
96%
|
| 2 | YES, Some Difficulty | 106 |
3.5%
|
| 3 | YES, Alot of difficulty | 11 |
0.4%
|
| 4 | Cannot do at all | 5 |
0.2%
|
| Sysmiss | 1504 |