| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 430 |
35.7%
|
| 1 | A great deal | 112 |
9.3%
|
| 2 | Quite a lot | 252 |
20.9%
|
| 3 | Not very much | 193 |
16%
|
| 4 | None at all | 216 |
18%
|