| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 163 |
13.5%
|
| 1 | A great deal | 133 |
11.1%
|
| 2 | Quite a lot | 307 |
25.5%
|
| 3 | Not very much | 300 |
24.9%
|
| 4 | None at all | 300 |
24.9%
|