| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 15 |
1.2%
|
| 1 | A great deal | 752 |
61.1%
|
| 2 | Quite a lot | 367 |
29.8%
|
| 3 | Not very much | 68 |
5.5%
|
| 4 | None at all | 28 |
2.3%
|