| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 15 |
1.3%
|
| -1 | Don't know | 73 |
6.1%
|
| 1 | A great deal | 7 |
0.6%
|
| 2 | Quite a lot | 106 |
8.8%
|
| 3 | Not very much | 426 |
35.5%
|
| 4 | None at all | 573 |
47.8%
|