| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 238 |
19.8%
|
| 1 | A great deal | 182 |
15.1%
|
| 2 | Quite a lot | 283 |
23.5%
|
| 3 | Not very much | 313 |
26%
|
| 4 | None at all | 187 |
15.5%
|