| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 11 |
0.9%
|
| -1 | Don't know | 39 |
3.1%
|
| 1 | A great deal | 32 |
2.5%
|
| 2 | Quite a lot | 130 |
10.3%
|
| 3 | Not very much | 424 |
33.7%
|
| 4 | None at all | 621 |
49.4%
|