| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 148 |
12.3%
|
| 1 | A great deal | 323 |
26.9%
|
| 2 | Quite a lot | 417 |
34.8%
|
| 3 | Not very much | 254 |
21.2%
|
| 4 | None at all | 58 |
4.8%
|