| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 4 |
0.4%
|
| -1 | Don't know | 65 |
6.5%
|
| 1 | A great deal | 84 |
8.4%
|
| 2 | Quite a lot | 388 |
38.8%
|
| 3 | Not very much | 308 |
30.8%
|
| 4 | None at all | 151 |
15.1%
|