| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0%
|
| -1 | Don't know | 55 |
2.7%
|
| 1 | A great deal | 83 |
4%
|
| 2 | Quite a lot | 223 |
10.8%
|
| 3 | Not very much | 1095 |
53%
|
| 4 | None at all | 610 |
29.5%
|