| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 27 |
0.8%
|
| 1 | A great deal | 892 |
27.9%
|
| 2 | Quite a lot | 1637 |
51.2%
|
| 3 | Not very much | 588 |
18.4%
|
| 4 | None at all | 56 |
1.8%
|