| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 3 |
0.3%
|
| -1 | Don't know | 733 |
61.1%
|
| 1 | A great deal | 4 |
0.3%
|
| 2 | Quite a lot | 56 |
4.7%
|
| 3 | Not very much | 122 |
10.2%
|
| 4 | None at all | 282 |
23.5%
|