| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 22 |
0.8%
|
| -1 | Don't know | 3 |
0.1%
|
| 1 | A great deal | 39 |
1.5%
|
| 2 | Quite a lot | 225 |
8.7%
|
| 3 | Not very much | 1632 |
62.9%
|
| 4 | None at all | 675 |
26%
|