| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 6 |
0.5%
|
| -1 | Don't know | 67 |
5.6%
|
| 1 | A great deal | 106 |
8.8%
|
| 2 | Quite a lot | 450 |
37.5%
|
| 3 | Not very much | 345 |
28.8%
|
| 4 | None at all | 226 |
18.8%
|