| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 337 |
28%
|
| 1 | A great deal | 49 |
4.1%
|
| 2 | Quite a lot | 116 |
9.6%
|
| 3 | Not very much | 160 |
13.3%
|
| 4 | None at all | 541 |
45%
|