| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 4 |
0.3%
|
| -1 | Don't know | 7 |
0.5%
|
| 1 | A great deal | 54 |
3.9%
|
| 2 | Quite a lot | 306 |
21.9%
|
| 3 | Not very much | 620 |
44.3%
|
| 4 | None at all | 409 |
29.2%
|