| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 8 |
0.5%
|
| -1 | Don't know | 34 |
1.9%
|
| 1 | A great deal | 50 |
2.8%
|
| 2 | Quite a lot | 346 |
19.6%
|
| 3 | Not very much | 379 |
21.5%
|
| 4 | None at all | 945 |
53.6%
|