| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 178 |
11.7%
|
| 1 | A great deal | 150 |
9.9%
|
| 2 | Quite a lot | 158 |
10.4%
|
| 3 | Not very much | 680 |
44.7%
|
| 4 | None at all | 354 |
23.3%
|