| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 117 |
9.8%
|
| 1 | A great deal | 264 |
22%
|
| 2 | Quite a lot | 708 |
59%
|
| 3 | Not very much | 90 |
7.5%
|
| 4 | None at all | 21 |
1.8%
|