| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 66 |
2.5%
|
| -1 | Don't know | 9 |
0.3%
|
| 1 | A great deal | 97 |
3.7%
|
| 2 | Quite a lot | 722 |
27.8%
|
| 3 | Not very much | 1288 |
49.6%
|
| 4 | None at all | 414 |
15.9%
|