| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 32 |
2.6%
|
| 1 | A great deal | 78 |
6.4%
|
| 2 | Quite a lot | 666 |
54.5%
|
| 3 | Not very much | 383 |
31.3%
|
| 4 | None at all | 64 |
5.2%
|