| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 22 |
1.8%
|
| 1 | A great deal | 425 |
35.4%
|
| 2 | Quite a lot | 690 |
57.5%
|
| 3 | Not very much | 51 |
4.3%
|
| 4 | None at all | 12 |
1%
|