| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 47 |
1.9%
|
| -1 | Don't know | 190 |
7.9%
|
| 1 | A great deal | 144 |
6%
|
| 2 | Quite a lot | 629 |
26%
|
| 3 | Not very much | 885 |
36.6%
|
| 4 | None at all | 520 |
21.5%
|