| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.4%
|
| -1 | Don't know | 23 |
5.1%
|
| 1 | A great deal | 33 |
7.4%
|
| 2 | Quite a lot | 160 |
35.8%
|
| 3 | Not very much | 159 |
35.6%
|
| 4 | None at all | 70 |
15.7%
|