| Value | Category | Cases | |
|---|---|---|---|
| 1 | None of them | 1637 |
31.5%
|
| 2 | Some of them | 2075 |
39.9%
|
| 3 | Most of them | 498 |
9.6%
|
| 4 | All of them | 174 |
3.3%
|
| 5 | Do not know | 818 |
15.7%
|
| Sysmiss | 106 |