| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 904 |
85.1%
|
| 2 | Some | 91 |
8.6%
|
| 3 | A lot | 48 |
4.5%
|
| 4 | Completely unable | 19 |
1.8%
|
| Sysmiss | 24273 |