| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 40 |
3.3%
|
| -1 | Don't know | 146 |
12.1%
|
| 1 | A great deal | 34 |
2.8%
|
| 2 | Quite a lot | 108 |
8.9%
|
| 3 | Not very much | 446 |
36.9%
|
| 4 | None at all | 434 |
35.9%
|