| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 47 |
3.9%
|
| 1 | A great deal | 472 |
39.3%
|
| 2 | Quite a lot | 453 |
37.8%
|
| 3 | Not very much | 186 |
15.5%
|
| 4 | None at all | 42 |
3.5%
|