| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 2 |
0.2%
|
| -1 | Don't know | 12 |
1.2%
|
| 1 | A great deal | 45 |
4.5%
|
| 2 | Quite a lot | 390 |
39%
|
| 3 | Not very much | 388 |
38.8%
|
| 4 | None at all | 163 |
16.3%
|