| Value | Category | Cases | |
|---|---|---|---|
| -1 | Don't know | 4 |
0.3%
|
| 1 | None of them | 141 |
11.8%
|
| 2 | Few of them | 671 |
55.9%
|
| 3 | Most of them | 298 |
24.8%
|
| 4 | All of them | 86 |
7.2%
|