| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO, No Difficulty | 4070 |
96.9%
|
| 2 | YES, Some Difficulty | 111 |
2.6%
|
| 3 | YES, Alot of difficulty | 8 |
0.2%
|
| 4 | Cannot do at all | 13 |
0.3%
|
| Sysmiss | 342 |