| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 3 |
0.3%
|
| -1 | Don't know | 11 |
0.9%
|
| 1 | A great deal | 65 |
5.4%
|
| 2 | Quite a lot | 317 |
26.4%
|
| 3 | Not very much | 462 |
38.5%
|
| 4 | None at all | 342 |
28.5%
|