| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 28 |
1.2%
|
| -1 | Don't know | 177 |
7.3%
|
| 1 | A great deal | 225 |
9.3%
|
| 2 | Quite a lot | 968 |
40.1%
|
| 3 | Not very much | 650 |
26.9%
|
| 4 | None at all | 367 |
15.2%
|