| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 6 |
0.5%
|
| 1 | A great deal | 140 |
10.7%
|
| 2 | Quite a lot | 646 |
49.2%
|
| 3 | Not very much | 447 |
34%
|
| 4 | None at all | 74 |
5.6%
|