| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 81 |
6.8%
|
| 1 | A great deal | 308 |
25.7%
|
| 2 | Quite a lot | 377 |
31.4%
|
| 3 | Not very much | 326 |
27.2%
|
| 4 | None at all | 108 |
9%
|