| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 8 |
0.7%
|
| 1 | A great deal | 503 |
41.9%
|
| 2 | Quite a lot | 350 |
29.2%
|
| 3 | Not very much | 172 |
14.3%
|
| 4 | None at all | 167 |
13.9%
|