| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 5 |
0.4%
|
| 1 | A great deal | 274 |
22.2%
|
| 2 | Quite a lot | 491 |
39.7%
|
| 3 | Not very much | 342 |
27.6%
|
| 4 | None at all | 125 |
10.1%
|