| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 11 |
0.6%
|
| 1 | A great deal | 88 |
5.1%
|
| 2 | Quite a lot | 253 |
14.5%
|
| 3 | Not very much | 516 |
29.6%
|
| 4 | None at all | 872 |
50.1%
|