| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 4 |
0.2%
|
| -1 | Don't know | 34 |
1.9%
|
| 1 | A great deal | 92 |
5.2%
|
| 2 | Quite a lot | 368 |
20.9%
|
| 3 | Not very much | 372 |
21.1%
|
| 4 | None at all | 892 |
50.6%
|