| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 253 |
15.4%
|
| 1 | A great deal | 190 |
11.6%
|
| 2 | Quite a lot | 447 |
27.3%
|
| 3 | Not very much | 532 |
32.5%
|
| 4 | None at all | 216 |
13.2%
|