| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 4 |
0.2%
|
| 1 | A great deal | 109 |
6.3%
|
| 2 | Quite a lot | 375 |
21.5%
|
| 3 | Not very much | 652 |
37.4%
|
| 4 | None at all | 601 |
34.5%
|