| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 4 |
0.3%
|
| 1 | A great deal | 150 |
11.4%
|
| 2 | Quite a lot | 626 |
47.7%
|
| 3 | Not very much | 447 |
34%
|
| 4 | None at all | 86 |
6.5%
|