| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 252 |
20.6%
|
| 1 | A great deal | 60 |
4.9%
|
| 2 | Quite a lot | 488 |
39.9%
|
| 3 | Not very much | 357 |
29.2%
|
| 4 | None at all | 66 |
5.4%
|