| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 1 |
0.1%
|
| 1 | None of them | 225 |
18.8%
|
| 2 | Few of them | 651 |
54.3%
|
| 3 | Most of them | 252 |
21%
|
| 4 | All of them | 71 |
5.9%
|