| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 8 |
0.7%
|
| -1 | Don't know | 19 |
1.6%
|
| 1 | A great deal | 44 |
3.7%
|
| 2 | Quite a lot | 293 |
24.4%
|
| 3 | Not very much | 516 |
43%
|
| 4 | None at all | 320 |
26.7%
|