| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 12 |
0.9%
|
| 1 | A great deal | 140 |
10%
|
| 2 | Quite a lot | 362 |
25.9%
|
| 3 | Not very much | 571 |
40.8%
|
| 4 | None at all | 314 |
22.4%
|