| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 27 |
1.3%
|
| -1 | Don't know | 522 |
25.3%
|
| 1 | A great deal | 134 |
6.5%
|
| 2 | Quite a lot | 256 |
12.4%
|
| 3 | Not very much | 730 |
35.3%
|
| 4 | None at all | 398 |
19.3%
|