| Value | Category | Cases | |
|---|---|---|---|
| 0 | None of them | 17 |
0.7%
|
| 1 | Very few of them | 286 |
11.8%
|
| 2 | Some of them | 613 |
25.2%
|
| 3 | Most of them | 870 |
35.8%
|
| 4 | All of them | 618 |
25.5%
|
| 9 | Don't know | 24 |
1%
|