| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 29 |
0.9%
|
| 1 | A great deal | 1070 |
33.4%
|
| 2 | Quite a lot | 1666 |
52.1%
|
| 3 | Not very much | 403 |
12.6%
|
| 4 | None at all | 32 |
1%
|