| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 373 |
31.1%
|
| 1 | A great deal | 29 |
2.4%
|
| 2 | Quite a lot | 188 |
15.7%
|
| 3 | Not very much | 400 |
33.3%
|
| 4 | None at all | 209 |
17.4%
|