| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 457 |
27.9%
|
| 1 | A great deal | 144 |
8.8%
|
| 2 | Quite a lot | 344 |
21%
|
| 3 | Not very much | 477 |
29.1%
|
| 4 | None at all | 216 |
13.2%
|