| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 12 |
1%
|
| -1 | Don't know | 59 |
4.9%
|
| 1 | A great deal | 105 |
8.8%
|
| 2 | Quite a lot | 270 |
22.5%
|
| 3 | Not very much | 368 |
30.7%
|
| 4 | None at all | 386 |
32.2%
|