| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.1%
|
| -1 | Don't know | 35 |
1.7%
|
| 1 | A great deal | 430 |
21.4%
|
| 2 | Quite a lot | 1221 |
60.7%
|
| 3 | Not very much | 288 |
14.3%
|
| 4 | None at all | 36 |
1.8%
|