| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 1 |
0.1%
|
| 1 | A great deal | 256 |
21.3%
|
| 2 | Quite a lot | 633 |
52.8%
|
| 3 | Not very much | 256 |
21.3%
|
| 4 | None at all | 54 |
4.5%
|