| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 17 |
1.3%
|
| -1 | Don't know | 340 |
26.4%
|
| 1 | A great deal | 31 |
2.4%
|
| 2 | Quite a lot | 233 |
18.1%
|
| 3 | Not very much | 344 |
26.7%
|
| 4 | None at all | 324 |
25.1%
|