| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 228 |
19%
|
| 1 | A great deal | 220 |
18.3%
|
| 2 | Quite a lot | 485 |
40.4%
|
| 3 | Not very much | 210 |
17.5%
|
| 4 | None at all | 57 |
4.8%
|