| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 23 |
1.9%
|
| 1 | A great deal | 78 |
6.4%
|
| 2 | Quite a lot | 544 |
44.5%
|
| 3 | Not very much | 422 |
34.5%
|
| 4 | None at all | 156 |
12.8%
|