| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 89 |
5.4%
|
| 1 | A great deal | 207 |
12.6%
|
| 2 | Quite a lot | 568 |
34.7%
|
| 3 | Not very much | 600 |
36.6%
|
| 4 | None at all | 174 |
10.6%
|