| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 132 |
6.6%
|
| 2 | no | 1766 |
87.8%
|
| 3 | don't know | 65 |
3.2%
|
| 4 | i am not sure | 49 |
2.4%
|
| Sysmiss | 37 |