| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 1 |
0.1%
|
| 1 | A great deal | 434 |
36.2%
|
| 2 | Quite a lot | 580 |
48.3%
|
| 3 | Not very much | 161 |
13.4%
|
| 4 | None at all | 24 |
2%
|