| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO, NO DIFFICULTY | 55960 |
97.2%
|
| 2 | YES, SOME DIFFICULTY | 1082 |
1.9%
|
| 3 | YES, A LOT OF DIFFICULTY | 419 |
0.7%
|
| 4 | CANNOT DO IT AT ALL | 95 |
0.2%
|
| Sysmiss | 2264 |