| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 24 |
1.6%
|
| -1 | Don't know | 152 |
9.9%
|
| 1 | A great deal | 57 |
3.7%
|
| 2 | Quite a lot | 634 |
41.5%
|
| 3 | Not very much | 555 |
36.3%
|
| 4 | None at all | 106 |
6.9%
|