| Value | Category | Cases | |
|---|---|---|---|
| 1 | A great deal | 42 |
4%
|
| 2 | Quite a lot | 212 |
20.3%
|
| 3 | Not very much | 379 |
36.2%
|
| 4 | None at all | 334 |
31.9%
|
| Sysmiss | 79 |
7.6%
|