| Value | Category | Cases | |
|---|---|---|---|
| 1 | All of them | 3480 |
69.4%
|
| 2 | Only some of them | 1400 |
27.9%
|
| 3 | None of them | 134 |
2.7%
|
| 98 | Don't know | 3 |
0.1%
|
| 99 | Refuse to answer | 1 |
0%
|