| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 19 |
1.6%
|
| 1 | A great deal | 42 |
3.5%
|
| 2 | Quite a lot | 384 |
32%
|
| 3 | Not very much | 550 |
45.8%
|
| 4 | None at all | 205 |
17.1%
|