| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 3 |
0.3%
|
| -1 | Don't know | 42 |
3.5%
|
| 1 | A great deal | 4 |
0.3%
|
| 2 | Quite a lot | 67 |
5.6%
|
| 3 | Not very much | 398 |
33.2%
|
| 4 | None at all | 686 |
57.2%
|