| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 21 |
1.4%
|
| -1 | Don't know | 55 |
3.6%
|
| 1 | A great deal | 99 |
6.5%
|
| 2 | Quite a lot | 427 |
27.9%
|
| 3 | Not very much | 645 |
42.2%
|
| 4 | None at all | 281 |
18.4%
|