| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 |
0.5%
|
| -1 | Don't know | 77 |
7.7%
|
| 1 | A great deal | 121 |
12.1%
|
| 2 | Quite a lot | 374 |
37.4%
|
| 3 | Not very much | 264 |
26.4%
|
| 4 | None at all | 159 |
15.9%
|