| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 102 |
8.3%
|
| 1 | A great deal | 187 |
15.3%
|
| 2 | Quite a lot | 674 |
55.1%
|
| 3 | Not very much | 214 |
17.5%
|
| 4 | None at all | 46 |
3.8%
|