| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 1 |
0.1%
|
| 1 | A great deal | 36 |
2.1%
|
| 2 | Quite a lot | 163 |
9.4%
|
| 3 | Not very much | 448 |
25.7%
|
| 4 | None at all | 1093 |
62.8%
|