| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 13 |
1.1%
|
| -1 | Don't know | 87 |
7.3%
|
| 1 | A great deal | 53 |
4.4%
|
| 2 | Quite a lot | 172 |
14.3%
|
| 3 | Not very much | 451 |
37.6%
|
| 4 | None at all | 424 |
35.3%
|