| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 70 |
4.3%
|
| 1 | A great deal | 174 |
10.6%
|
| 2 | Quite a lot | 431 |
26.3%
|
| 3 | Not very much | 661 |
40.4%
|
| 4 | None at all | 302 |
18.4%
|