| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO, NO DIFFICULTY | 22593 |
91.9%
|
| 2 | YES, SOME DIFFICULTY | 684 |
2.8%
|
| 3 | YES, A LOT OF DIFFICULTY | 197 |
0.8%
|
| 4 | CANNOT DO IT AT ALL | 44 |
0.2%
|
| 5 | (TOO YOUNG TO TELL) | 1063 |
4.3%
|
| Sysmiss | 139 |