| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 4 |
0.3%
|
| -1 | Don't know | 48 |
4%
|
| 1 | A great deal | 49 |
4.1%
|
| 2 | Quite a lot | 73 |
6.1%
|
| 3 | Not very much | 218 |
18.2%
|
| 4 | None at all | 808 |
67.3%
|