| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 15 |
1%
|
| -1 | Don't know | 114 |
7.5%
|
| 1 | A great deal | 74 |
4.8%
|
| 2 | Quite a lot | 626 |
41%
|
| 3 | Not very much | 564 |
36.9%
|
| 4 | None at all | 135 |
8.8%
|