| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 29 |
2.4%
|
| 1 | A great deal | 287 |
23.9%
|
| 2 | Quite a lot | 574 |
47.8%
|
| 3 | Not very much | 265 |
22.1%
|
| 4 | None at all | 45 |
3.8%
|