| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 2 |
0.1%
|
| 1 | A great deal | 2748 |
85.9%
|
| 2 | Quite a lot | 399 |
12.5%
|
| 3 | Not very much | 47 |
1.5%
|
| 4 | None at all | 4 |
0.1%
|