| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO, NO DIFFICULTY | 56006 |
97.3%
|
| 2 | YES, SOME DIFFICULTY | 1137 |
2%
|
| 3 | YES, A LOT OF DIFFICULTY | 369 |
0.6%
|
| 4 | CANNOT DO IT AT ALL | 44 |
0.1%
|
| Sysmiss | 2264 |