| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 117 |
9.7%
|
| 1 | A great deal | 86 |
7.1%
|
| 2 | Quite a lot | 307 |
25.5%
|
| 3 | Not very much | 381 |
31.7%
|
| 4 | None at all | 312 |
25.9%
|