| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.1%
|
| -1 | Don't know | 22 |
1.3%
|
| 1 | A great deal | 179 |
10.3%
|
| 2 | Quite a lot | 360 |
20.7%
|
| 3 | Not very much | 510 |
29.3%
|
| 4 | None at all | 668 |
38.4%
|