| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 14 |
0.9%
|
| -1 | Don't know | 54 |
3.5%
|
| 1 | A great deal | 23 |
1.5%
|
| 2 | Quite a lot | 306 |
20%
|
| 3 | Not very much | 882 |
57.7%
|
| 4 | None at all | 249 |
16.3%
|