| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 13 |
1%
|
| -1 | Don't know | 50 |
4%
|
| 1 | A great deal | 70 |
5.6%
|
| 2 | Quite a lot | 180 |
14.3%
|
| 3 | Not very much | 428 |
34%
|
| 4 | None at all | 516 |
41.1%
|