| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 23 |
1.6%
|
| -1 | Don't know | 171 |
12.2%
|
| 1 | A great deal | 78 |
5.6%
|
| 2 | Quite a lot | 314 |
22.4%
|
| 3 | Not very much | 516 |
36.9%
|
| 4 | None at all | 298 |
21.3%
|