| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 145 |
7.7%
|
| 2 | no | 1646 |
87%
|
| 3 | don't know | 60 |
3.2%
|
| 4 | i am not sure | 40 |
2.1%
|
| Sysmiss | 14 |