| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 2 |
0.2%
|
| 1 | A great deal | 858 |
69.4%
|
| 2 | Quite a lot | 234 |
18.9%
|
| 3 | Not very much | 120 |
9.7%
|
| 4 | None at all | 23 |
1.9%
|