| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 219 |
13.4%
|
| 1 | A great deal | 144 |
8.8%
|
| 2 | Quite a lot | 475 |
29%
|
| 3 | Not very much | 564 |
34.4%
|
| 4 | None at all | 236 |
14.4%
|