| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 13 |
1.1%
|
| 1 | A great deal | 203 |
16.7%
|
| 2 | Quite a lot | 407 |
33.5%
|
| 3 | Not very much | 301 |
24.8%
|
| 4 | None at all | 291 |
24%
|