| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 9 |
0.6%
|
| -1 | Don't know | 35 |
2.3%
|
| 1 | A great deal | 64 |
4.2%
|
| 2 | Quite a lot | 611 |
40%
|
| 3 | Not very much | 629 |
41.2%
|
| 4 | None at all | 180 |
11.8%
|