| Value | Category | Cases | |
|---|---|---|---|
| -2 | No answer | 28 |
2.8%
|
| 1 | A great deal | 28 |
2.8%
|
| 2 | Quite a lot | 223 |
22.2%
|
| 3 | Not very much | 459 |
45.7%
|
| 4 | None at all | 266 |
26.5%
|