| Value | Category | Cases | |
|---|---|---|---|
| -1 | Dont know | 144 |
12.1%
|
| 1 | A great deal | 34 |
2.9%
|
| 2 | Quite a lot | 163 |
13.7%
|
| 3 | Not very much | 397 |
33.4%
|
| 4 | None at all | 452 |
38%
|