| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 25 |
2.1%
|
| 1 | A great deal | 69 |
5.8%
|
| 2 | Quite a lot | 507 |
42.3%
|
| 3 | Not very much | 432 |
36%
|
| 4 | None at all | 166 |
13.8%
|