| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 23 |
2.3%
|
| 1 | A great deal | 15 |
1.5%
|
| 2 | Quite a lot | 163 |
16.2%
|
| 3 | Not very much | 495 |
49.3%
|
| 4 | None at all | 308 |
30.7%
|