| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 8 |
0.7%
|
| 1 | A great deal | 877 |
72.9%
|
| 2 | Quite a lot | 236 |
19.6%
|
| 3 | Not very much | 54 |
4.5%
|
| 4 | None at all | 28 |
2.3%
|