| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.2%
|
| -1 | Don't know | 26 |
2.2%
|
| 1 | A great deal | 189 |
15.8%
|
| 2 | Quite a lot | 451 |
37.6%
|
| 3 | Not very much | 333 |
27.8%
|
| 4 | None at all | 199 |
16.6%
|