| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 256 |
21.3%
|
| 1 | A great deal | 401 |
33.4%
|
| 2 | Quite a lot | 501 |
41.8%
|
| 3 | Not very much | 35 |
2.9%
|
| 4 | None at all | 7 |
0.6%
|