| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 13801 |
98.2%
|
| 2 | YES - SOME DIFFICULTY | 144 |
1%
|
| 3 | YES - A LOT OF DIFFICULTY | 79 |
0.6%
|
| 4 | CANNOT PERFORM ACTIVITY AT ALL | 37 |
0.3%
|
| Sysmiss | 2412 |