| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 4639 |
95.5%
|
| 2 | SOME DIFFICULTY | 182 |
3.7%
|
| 3 | A LOT OF DIFFICULTY | 30 |
0.6%
|
| 4 | CANNOT WALK/CLIMB STEPS AT ALL | 5 |
0.1%
|
| 9 | NO RESPONSE | 0 |
0%
|
| Sysmiss | 749 |