| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 460 |
38.2%
|
| 1 | A great deal | 54 |
4.5%
|
| 2 | Quite a lot | 121 |
10.1%
|
| 3 | Not very much | 159 |
13.2%
|
| 4 | None at all | 409 |
34%
|