| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 3 |
0.2%
|
| 1 | A great deal | 79 |
4.5%
|
| 2 | Quite a lot | 225 |
12.9%
|
| 3 | Not very much | 492 |
28.3%
|
| 4 | None at all | 942 |
54.1%
|