| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 4 |
0.3%
|
| -1 | Don't know | 37 |
3.1%
|
| 1 | A great deal | 83 |
6.9%
|
| 2 | Quite a lot | 148 |
12.3%
|
| 3 | Not very much | 296 |
24.7%
|
| 4 | None at all | 632 |
52.7%
|