| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 172 |
14.1%
|
| 1 | A great deal | 126 |
10.3%
|
| 2 | Quite a lot | 601 |
49.1%
|
| 3 | Not very much | 266 |
21.7%
|
| 4 | None at all | 58 |
4.7%
|