| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 153 |
12.8%
|
| 1 | A great deal | 265 |
22.1%
|
| 2 | Quite a lot | 331 |
27.6%
|
| 3 | Not very much | 370 |
30.8%
|
| 4 | None at all | 81 |
6.8%
|