| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 61 |
4.7%
|
| 1 | A great deal | 304 |
23.6%
|
| 2 | Quite a lot | 604 |
46.9%
|
| 3 | Not very much | 204 |
15.8%
|
| 4 | None at all | 115 |
8.9%
|