| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 45216 |
97.5%
|
| 2 | YES, SOME DIFFICULTY | 949 |
2%
|
| 3 | YES, A LOT OF DIFFICULTY | 177 |
0.4%
|
| 4 | CANNOT PERFORM ACTIVITY AT ALL | 27 |
0.1%
|
| Sysmiss | 4107 |