| Value | Category | Cases | |
|---|---|---|---|
| 2 | SOME DIFFICULTY | 74 |
0.8%
|
| 3 | A LOT OF DIFFICULTY | 4 |
0%
|
| 4 | CANNOT WALK AT ALL | 2 |
0%
|
| 9 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 8822 |
99.1%
|