| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.2%
|
| -1 | Don't know | 66 |
5.5%
|
| 1 | A great deal | 68 |
5.7%
|
| 2 | Quite a lot | 532 |
44.3%
|
| 3 | Not very much | 389 |
32.4%
|
| 4 | None at all | 143 |
11.9%
|