| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 14 |
1.2%
|
| -1 | Don't know | 23 |
1.9%
|
| 1 | A great deal | 23 |
1.9%
|
| 2 | Quite a lot | 355 |
29.6%
|
| 3 | Not very much | 607 |
50.6%
|
| 4 | None at all | 178 |
14.8%
|