| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 9 |
0.8%
|
| -1 | Don't know | 13 |
1.1%
|
| 1 | A great deal | 32 |
2.7%
|
| 2 | Quite a lot | 148 |
12.3%
|
| 3 | Not very much | 570 |
47.5%
|
| 4 | None at all | 428 |
35.7%
|