| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 3 |
0.2%
|
| -1 | Don't know | 138 |
7.9%
|
| 1 | A great deal | 198 |
11.4%
|
| 2 | Quite a lot | 408 |
23.4%
|
| 3 | Not very much | 464 |
26.7%
|
| 4 | None at all | 530 |
30.4%
|