| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 4 |
0.3%
|
| -1 | Don't know | 37 |
2.6%
|
| 1 | A great deal | 92 |
6.6%
|
| 2 | Quite a lot | 355 |
25.4%
|
| 3 | Not very much | 540 |
38.6%
|
| 4 | None at all | 372 |
26.6%
|