| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 388 |
23.7%
|
| 1 | A great deal | 208 |
12.7%
|
| 2 | Quite a lot | 412 |
25.2%
|
| 3 | Not very much | 454 |
27.7%
|
| 4 | None at all | 176 |
10.7%
|