| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 152 |
12.7%
|
| 1 | A great deal | 262 |
21.8%
|
| 2 | Quite a lot | 377 |
31.4%
|
| 3 | Not very much | 315 |
26.3%
|
| 4 | None at all | 94 |
7.8%
|