| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 9 |
0.7%
|
| -1 | Don't know | 144 |
10.6%
|
| 1 | A great deal | 17 |
1.3%
|
| 2 | Quite a lot | 90 |
6.7%
|
| 3 | Not very much | 553 |
40.9%
|
| 4 | None at all | 540 |
39.9%
|