| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 14 |
0.8%
|
| -1 | Don't know | 322 |
17.8%
|
| 1 | A great deal | 78 |
4.3%
|
| 2 | Quite a lot | 338 |
18.7%
|
| 3 | Not very much | 548 |
30.3%
|
| 4 | None at all | 510 |
28.2%
|