| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 27 |
2.2%
|
| 1 | A great deal | 168 |
13.7%
|
| 2 | Quite a lot | 607 |
49.6%
|
| 3 | Not very much | 353 |
28.9%
|
| 4 | None at all | 68 |
5.6%
|