| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 3 |
0.2%
|
| 1 | A great deal | 236 |
18%
|
| 2 | Quite a lot | 779 |
59.3%
|
| 3 | Not very much | 275 |
20.9%
|
| 4 | None at all | 20 |
1.5%
|