| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 3 |
0.3%
|
| -1 | Don't know | 665 |
55.4%
|
| 1 | A great deal | 3 |
0.3%
|
| 2 | Quite a lot | 37 |
3.1%
|
| 3 | Not very much | 141 |
11.8%
|
| 4 | None at all | 351 |
29.3%
|