| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 416 |
34.7%
|
| 1 | A great deal | 176 |
14.7%
|
| 2 | Quite a lot | 301 |
25.1%
|
| 3 | Not very much | 248 |
20.7%
|
| 4 | None at all | 59 |
4.9%
|