| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 99 |
6%
|
| 1 | A great deal | 108 |
6.6%
|
| 2 | Quite a lot | 259 |
15.8%
|
| 3 | Not very much | 674 |
41.1%
|
| 4 | None at all | 498 |
30.4%
|