| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 292 |
19.2%
|
| 1 | A great deal | 90 |
5.9%
|
| 2 | Quite a lot | 86 |
5.7%
|
| 3 | Not very much | 696 |
45.8%
|
| 4 | None at all | 356 |
23.4%
|