| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO, No Difficulty | 4105 |
97.7%
|
| 2 | YES, Some Difficulty | 65 |
1.5%
|
| 3 | YES, Alot of difficulty | 12 |
0.3%
|
| 4 | Cannot do at all | 20 |
0.5%
|
| Sysmiss | 342 |