| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 37 |
2.3%
|
| 1 | A great deal | 265 |
16.2%
|
| 2 | Quite a lot | 558 |
34.1%
|
| 3 | Not very much | 602 |
36.8%
|
| 4 | None at all | 176 |
10.7%
|