| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 17 |
0.5%
|
| 1 | A great deal | 1107 |
34.6%
|
| 2 | Quite a lot | 1555 |
48.6%
|
| 3 | Not very much | 473 |
14.8%
|
| 4 | None at all | 48 |
1.5%
|