| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 9 |
0.8%
|
| 1 | A great deal | 38 |
3.2%
|
| 2 | Quite a lot | 492 |
41%
|
| 3 | Not very much | 465 |
38.8%
|
| 4 | None at all | 195 |
16.3%
|