| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 3 |
0.2%
|
| 1 | A great deal | 243 |
18.5%
|
| 2 | Quite a lot | 746 |
56.8%
|
| 3 | Not very much | 296 |
22.5%
|
| 4 | None at all | 25 |
1.9%
|