| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not filled | 2948 |
39%
|
| 1 | Yes | 4013 |
53.1%
|
| 2 | No | 483 |
6.4%
|
| 9 | Don't know | 113 |
1.5%
|
| Sysmiss | 26974 |