| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 308 |
25.7%
|
| 1 | A great deal | 307 |
25.6%
|
| 2 | Quite a lot | 531 |
44.3%
|
| 3 | Not very much | 42 |
3.5%
|
| 4 | None at all | 12 |
1%
|