| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 586 |
55.2%
|
| 2 | Some | 375 |
35.3%
|
| 3 | A lot | 90 |
8.5%
|
| 4 | Completely unable | 11 |
1%
|
| Sysmiss | 24273 |