| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 17 |
1.4%
|
| 1 | A great deal | 320 |
26.7%
|
| 2 | Quite a lot | 793 |
66.1%
|
| 3 | Not very much | 59 |
4.9%
|
| 4 | None at all | 11 |
0.9%
|