| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 8 |
0.5%
|
| -1 | Don't know | 17 |
1%
|
| 1 | A great deal | 204 |
11.6%
|
| 2 | Quite a lot | 757 |
43%
|
| 3 | Not very much | 408 |
23.2%
|
| 4 | None at all | 368 |
20.9%
|