| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0%
|
| -1 | Don't know | 12 |
0.4%
|
| 1 | A great deal | 1524 |
47.6%
|
| 2 | Quite a lot | 1294 |
40.4%
|
| 3 | Not very much | 330 |
10.3%
|
| 4 | None at all | 39 |
1.2%
|