| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 595 |
56%
|
| 2 | Some | 326 |
30.7%
|
| 3 | A lot | 126 |
11.9%
|
| 4 | Completely unable | 15 |
1.4%
|
| Sysmiss | 24273 |