| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 6 |
0.5%
|
| 1 | A great deal | 93 |
7.8%
|
| 2 | Quite a lot | 542 |
45.2%
|
| 3 | Not very much | 384 |
32%
|
| 4 | None at all | 175 |
14.6%
|