| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 544 |
33.2%
|
| 1 | A great deal | 182 |
11.1%
|
| 2 | Quite a lot | 355 |
21.7%
|
| 3 | Not very much | 400 |
24.4%
|
| 4 | None at all | 157 |
9.6%
|