| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 27 |
1.8%
|
| -1 | Don't know | 215 |
14.1%
|
| 1 | A great deal | 17 |
1.1%
|
| 2 | Quite a lot | 372 |
24.3%
|
| 3 | Not very much | 670 |
43.8%
|
| 4 | None at all | 227 |
14.9%
|