| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 5 |
0.4%
|
| -1 | Don't know | 109 |
9.1%
|
| 1 | A great deal | 44 |
3.7%
|
| 2 | Quite a lot | 149 |
12.5%
|
| 3 | Not very much | 364 |
30.4%
|
| 4 | None at all | 525 |
43.9%
|