| Value | Category | Cases | |
|---|---|---|---|
| 1 | A great deal | 25 |
2.4%
|
| 2 | Quite a lot | 168 |
16.1%
|
| 3 | Not very much | 368 |
35.2%
|
| 4 | None at all | 400 |
38.2%
|
| Sysmiss | 85 |
8.1%
|