| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 26 |
2.2%
|
| 1 | A great deal | 267 |
22.3%
|
| 2 | Quite a lot | 810 |
67.5%
|
| 3 | Not very much | 91 |
7.6%
|
| 4 | None at all | 6 |
0.5%
|