| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.2%
|
| -1 | Don't know | 84 |
6.5%
|
| 1 | A great deal | 34 |
2.6%
|
| 2 | Quite a lot | 209 |
16.2%
|
| 3 | Not very much | 486 |
37.7%
|
| 4 | None at all | 474 |
36.8%
|