| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 304 |
18.6%
|
| 1 | A great deal | 226 |
13.8%
|
| 2 | Quite a lot | 444 |
27.1%
|
| 3 | Not very much | 477 |
29.1%
|
| 4 | None at all | 187 |
11.4%
|