| Value | Category | Cases | |
|---|---|---|---|
| -1 | Dont know | 123 |
10.3%
|
| 1 | A great deal | 47 |
3.9%
|
| 2 | Quite a lot | 199 |
16.7%
|
| 3 | Not very much | 386 |
32.4%
|
| 4 | None at all | 435 |
36.6%
|