| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 8 |
0.5%
|
| -1 | Don't know | 22 |
1.4%
|
| 1 | A great deal | 39 |
2.6%
|
| 2 | Quite a lot | 515 |
33.7%
|
| 3 | Not very much | 725 |
47.4%
|
| 4 | None at all | 219 |
14.3%
|