| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 47 |
3.9%
|
| 1 | A great deal | 223 |
18.6%
|
| 2 | Quite a lot | 805 |
67.1%
|
| 3 | Not very much | 102 |
8.5%
|
| 4 | None at all | 23 |
1.9%
|