| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 |
0.4%
|
| -1 | Don't know | 14 |
1%
|
| 1 | A great deal | 25 |
1.8%
|
| 2 | Quite a lot | 128 |
9.1%
|
| 3 | Not very much | 432 |
30.9%
|
| 4 | None at all | 796 |
56.9%
|