| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 73 |
6.1%
|
| 1 | A great deal | 36 |
3%
|
| 2 | Quite a lot | 84 |
7%
|
| 3 | Not very much | 211 |
17.5%
|
| 4 | None at all | 799 |
66.4%
|