| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 4 |
0.4%
|
| -1 | Don't know | 50 |
5%
|
| 1 | A great deal | 18 |
1.8%
|
| 2 | Quite a lot | 148 |
14.8%
|
| 3 | Not very much | 389 |
38.8%
|
| 4 | None at all | 394 |
39.3%
|