| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 584 |
35.7%
|
| 1 | A great deal | 119 |
7.3%
|
| 2 | Quite a lot | 269 |
16.4%
|
| 3 | Not very much | 429 |
26.2%
|
| 4 | None at all | 237 |
14.5%
|