| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 12 |
1%
|
| -1 | Don't know | 71 |
5.9%
|
| 1 | A great deal | 18 |
1.5%
|
| 2 | Quite a lot | 134 |
11.2%
|
| 3 | Not very much | 446 |
37.2%
|
| 4 | None at all | 519 |
43.3%
|