| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 9 |
0.8%
|
| -1 | Don't know | 28 |
2.3%
|
| 1 | A great deal | 19 |
1.6%
|
| 2 | Quite a lot | 147 |
12.3%
|
| 3 | Not very much | 442 |
36.8%
|
| 4 | None at all | 555 |
46.3%
|