| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 110 |
9.2%
|
| 1 | A great deal | 322 |
26.8%
|
| 2 | Quite a lot | 372 |
31%
|
| 3 | Not very much | 330 |
27.5%
|
| 4 | None at all | 66 |
5.5%
|