| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 147 |
7.2%
|
| 2 | no | 1796 |
87.7%
|
| 3 | don't know | 66 |
3.2%
|
| 4 | i am not sure | 40 |
2%
|
| Sysmiss | 19 |