| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 1 |
0.1%
|
| -1 | Don't know | 20 |
1.1%
|
| 1 | A great deal | 169 |
9.7%
|
| 2 | Quite a lot | 433 |
24.9%
|
| 3 | Not very much | 525 |
30.2%
|
| 4 | None at all | 593 |
34.1%
|