| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 9 |
0.3%
|
| 1 | A great deal | 878 |
27.4%
|
| 2 | Quite a lot | 1405 |
43.9%
|
| 3 | Not very much | 790 |
24.7%
|
| 4 | None at all | 118 |
3.7%
|