| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 5 |
0.4%
|
| 1 | A great deal | 217 |
16.5%
|
| 2 | Quite a lot | 754 |
57.4%
|
| 3 | Not very much | 315 |
24%
|
| 4 | None at all | 22 |
1.7%
|