| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 70 |
5.8%
|
| 1 | A great deal | 165 |
13.8%
|
| 2 | Quite a lot | 555 |
46.3%
|
| 3 | Not very much | 354 |
29.5%
|
| 4 | None at all | 56 |
4.7%
|