| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO, NO DIFFICULTY | 26636 |
98.2%
|
| 2 | YES, SOME | 255 |
0.9%
|
| 3 | YES, A LOT | 45 |
0.2%
|
| 4 | CANNOT DO | 185 |
0.7%
|
| Sysmiss | 1231 |