| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 27 |
2.2%
|
| 1 | A great deal | 107 |
8.7%
|
| 2 | Quite a lot | 777 |
63.5%
|
| 3 | Not very much | 271 |
22.2%
|
| 4 | None at all | 41 |
3.4%
|