| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 54 |
4.5%
|
| 1 | A great deal | 460 |
38.3%
|
| 2 | Quite a lot | 465 |
38.8%
|
| 3 | Not very much | 177 |
14.8%
|
| 4 | None at all | 44 |
3.7%
|