| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 10 |
0.8%
|
| 1 | A great deal | 95 |
7.8%
|
| 2 | Quite a lot | 596 |
48.7%
|
| 3 | Not very much | 447 |
36.5%
|
| 4 | None at all | 75 |
6.1%
|