| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 3 |
0.1%
|
| -1 | Don't know | 23 |
1.1%
|
| 1 | A great deal | 29 |
1.4%
|
| 2 | Quite a lot | 84 |
4.1%
|
| 3 | Not very much | 971 |
47%
|
| 4 | None at all | 957 |
46.3%
|