| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 42 |
3.3%
|
| 1 | A great deal | 33 |
2.6%
|
| 2 | Quite a lot | 374 |
29%
|
| 3 | Not very much | 510 |
39.6%
|
| 4 | None at all | 329 |
25.5%
|