| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 43 |
2.5%
|
| 1 | A great deal | 58 |
3.3%
|
| 2 | Quite a lot | 221 |
12.7%
|
| 3 | Not very much | 463 |
26.6%
|
| 4 | None at all | 955 |
54.9%
|