| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.2%
|
| -1 | Don't know | 16 |
1.6%
|
| 1 | A great deal | 54 |
5.4%
|
| 2 | Quite a lot | 255 |
25.4%
|
| 3 | Not very much | 377 |
37.6%
|
| 4 | None at all | 299 |
29.8%
|