| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 18 |
1.2%
|
| -1 | Don't know | 48 |
3.1%
|
| 1 | A great deal | 12 |
0.8%
|
| 2 | Quite a lot | 342 |
22.4%
|
| 3 | Not very much | 876 |
57.3%
|
| 4 | None at all | 232 |
15.2%
|