| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 10 |
0.8%
|
| 1 | A great deal | 161 |
13%
|
| 2 | Quite a lot | 414 |
33.5%
|
| 3 | Not very much | 483 |
39%
|
| 4 | None at all | 169 |
13.7%
|