| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.2%
|
| -1 | Don't know | 34 |
2.8%
|
| 1 | A great deal | 67 |
5.5%
|
| 2 | Quite a lot | 274 |
22.4%
|
| 3 | Not very much | 386 |
31.6%
|
| 4 | None at all | 460 |
37.6%
|