| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 11 |
0.9%
|
| -1 | Don't know | 85 |
7.1%
|
| 1 | A great deal | 23 |
1.9%
|
| 2 | Quite a lot | 184 |
15.3%
|
| 3 | Not very much | 477 |
39.8%
|
| 4 | None at all | 420 |
35%
|