| Value | Category | Cases | |
|---|---|---|---|
| -1 | Dont know | 79 |
6.6%
|
| 1 | A great deal | 72 |
6.1%
|
| 2 | Quite a lot | 278 |
23.4%
|
| 3 | Not very much | 399 |
33.5%
|
| 4 | None at all | 362 |
30.4%
|