| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 144 |
12%
|
| 1 | A great deal | 288 |
24%
|
| 2 | Quite a lot | 367 |
30.6%
|
| 3 | Not very much | 317 |
26.4%
|
| 4 | None at all | 84 |
7%
|