| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 369 |
22.5%
|
| 1 | A great deal | 157 |
9.6%
|
| 2 | Quite a lot | 408 |
24.9%
|
| 3 | Not very much | 503 |
30.7%
|
| 4 | None at all | 201 |
12.3%
|