| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 |
0.4%
|
| -1 | Don't know | 9 |
0.8%
|
| 1 | A great deal | 40 |
3.3%
|
| 2 | Quite a lot | 202 |
16.8%
|
| 3 | Not very much | 688 |
57.3%
|
| 4 | None at all | 256 |
21.3%
|