| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 17 |
1.4%
|
| 1 | A great deal | 81 |
6.6%
|
| 2 | Quite a lot | 706 |
57.7%
|
| 3 | Not very much | 348 |
28.5%
|
| 4 | None at all | 71 |
5.8%
|