| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 18 |
0.6%
|
| 1 | A great deal | 976 |
30.5%
|
| 2 | Quite a lot | 1309 |
40.9%
|
| 3 | Not very much | 779 |
24.3%
|
| 4 | None at all | 118 |
3.7%
|