| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 4 |
0.3%
|
| 1 | A great deal | 78 |
5.6%
|
| 2 | Quite a lot | 283 |
20.2%
|
| 3 | Not very much | 525 |
37.5%
|
| 4 | None at all | 509 |
36.4%
|