| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 8 |
0.3%
|
| 1 | A great deal | 736 |
23%
|
| 2 | Quite a lot | 1647 |
51.5%
|
| 3 | Not very much | 740 |
23.1%
|
| 4 | None at all | 69 |
2.2%
|