| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 36 |
2.9%
|
| 1 | A great deal | 138 |
11.3%
|
| 2 | Quite a lot | 785 |
64.2%
|
| 3 | Not very much | 232 |
19%
|
| 4 | None at all | 32 |
2.6%
|