| Value | Category | Cases | |
|---|---|---|---|
| 0 | No flag | 7853 |
99.1%
|
| 1 | > interval | 28 |
0.4%
|
| 2 | > interval by 1 mnth | 6 |
0.1%
|
| 3 | > age at death | 35 |
0.4%
|
| 4 | During preg in cal. | 0 |
0%
|
| Sysmiss | 19680 |