| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 25 |
2%
|
| 1 | A great deal | 21 |
1.7%
|
| 2 | Quite a lot | 255 |
20.9%
|
| 3 | Not very much | 617 |
50.4%
|
| 4 | None at all | 305 |
24.9%
|