| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 26 |
2.1%
|
| 1 | A great deal | 230 |
18.6%
|
| 2 | Quite a lot | 456 |
36.9%
|
| 3 | Not very much | 393 |
31.8%
|
| 4 | None at all | 132 |
10.7%
|