| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 5 |
0.4%
|
| 1 | A great deal | 947 |
78.7%
|
| 2 | Quite a lot | 190 |
15.8%
|
| 3 | Not very much | 41 |
3.4%
|
| 4 | None at all | 20 |
1.7%
|