| Value | Category | Cases | |
|---|---|---|---|
| -1 | Dont know | 41 |
3.4%
|
| 1 | A great deal | 152 |
12.8%
|
| 2 | Quite a lot | 430 |
36.1%
|
| 3 | Not very much | 325 |
27.3%
|
| 4 | None at all | 242 |
20.3%
|