| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 4 |
0.3%
|
| 1 | A great deal | 145 |
11%
|
| 2 | Quite a lot | 583 |
44.4%
|
| 3 | Not very much | 496 |
37.8%
|
| 4 | None at all | 85 |
6.5%
|