| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 34 |
2.8%
|
| 1 | A great deal | 398 |
33.1%
|
| 2 | Quite a lot | 412 |
34.2%
|
| 3 | Not very much | 254 |
21.1%
|
| 4 | None at all | 105 |
8.7%
|