| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0%
|
| -1 | Don't know | 77 |
3.7%
|
| 1 | A great deal | 92 |
4.5%
|
| 2 | Quite a lot | 193 |
9.3%
|
| 3 | Not very much | 969 |
46.9%
|
| 4 | None at all | 735 |
35.6%
|