| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 8 |
0.6%
|
| -1 | Don't know | 201 |
16%
|
| 1 | A great deal | 54 |
4.3%
|
| 2 | Quite a lot | 188 |
15%
|
| 3 | Not very much | 391 |
31.1%
|
| 4 | None at all | 415 |
33%
|