| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 537 |
44.6%
|
| 1 | A great deal | 59 |
4.9%
|
| 2 | Quite a lot | 141 |
11.7%
|
| 3 | Not very much | 173 |
14.4%
|
| 4 | None at all | 293 |
24.4%
|