| Value | Category | Cases | |
|---|---|---|---|
| 1 | A great deal | 237 |
11.9%
|
| 2 | Quite a lot | 386 |
19.3%
|
| 3 | Not very much | 238 |
11.9%
|
| 4 | None at all | 413 |
20.7%
|
| Sysmiss | 721 |
36.1%
|