| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 11 |
0.9%
|
| 1 | A great deal | 89 |
7.4%
|
| 2 | Quite a lot | 537 |
44.8%
|
| 3 | Not very much | 438 |
36.5%
|
| 4 | None at all | 125 |
10.4%
|