| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.1%
|
| -1 | Don't know | 35 |
1.7%
|
| 1 | A great deal | 42 |
2%
|
| 2 | Quite a lot | 183 |
8.9%
|
| 3 | Not very much | 1152 |
55.7%
|
| 4 | None at all | 653 |
31.6%
|