| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 3 |
0.1%
|
| 1 | A great deal | 805 |
25.2%
|
| 2 | Quite a lot | 1339 |
41.8%
|
| 3 | Not very much | 899 |
28.1%
|
| 4 | None at all | 154 |
4.8%
|