| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO, NO DIFFICULTY | 26345 |
97.2%
|
| 2 | YES, SOME | 418 |
1.5%
|
| 3 | YES, A LOT | 87 |
0.3%
|
| 4 | CANNOT DO | 254 |
0.9%
|
| Sysmiss | 1248 |