| Value | Category | Cases | |
|---|---|---|---|
| 1 | A great deal | 20 |
1.9%
|
| 2 | Quite a lot | 144 |
13.8%
|
| 3 | Not very much | 437 |
41.8%
|
| 4 | None at all | 355 |
33.9%
|
| Sysmiss | 90 |
8.6%
|