| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 31 |
1.3%
|
| -1 | Don't know | 100 |
4.1%
|
| 1 | A great deal | 111 |
4.6%
|
| 2 | Quite a lot | 648 |
26.8%
|
| 3 | Not very much | 926 |
38.3%
|
| 4 | None at all | 599 |
24.8%
|