| Value | Category | Cases | |
|---|---|---|---|
| 1 | A great deal | 10 |
1%
|
| 2 | Quite a lot | 194 |
18.5%
|
| 3 | Not very much | 461 |
44.1%
|
| 4 | None at all | 351 |
33.6%
|
| Sysmiss | 30 |
2.9%
|