| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not filled | 15816 |
76%
|
| 1 | Yes | 2196 |
10.5%
|
| 2 | No | 2606 |
12.5%
|
| 9 | Unknown | 205 |
1%
|
| Sysmiss | 13708 |