| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 8 |
0.7%
|
| 1 | A great deal | 182 |
15.2%
|
| 2 | Quite a lot | 657 |
54.8%
|
| 3 | Not very much | 284 |
23.7%
|
| 4 | None at all | 69 |
5.8%
|