| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 24 |
2.4%
|
| -1 | Don't know | 33 |
3.3%
|
| 1 | A great deal | 37 |
3.7%
|
| 2 | Quite a lot | 152 |
15.2%
|
| 3 | Not very much | 415 |
41.5%
|
| 4 | None at all | 339 |
33.9%
|