| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 24 |
2%
|
| 1 | A great deal | 291 |
24.3%
|
| 2 | Quite a lot | 785 |
65.4%
|
| 3 | Not very much | 90 |
7.5%
|
| 4 | None at all | 10 |
0.8%
|