| Value | Category | Cases | |
|---|---|---|---|
| 0 | no flag | 1009 |
99.5%
|
| 1 | > interval | 0 |
0%
|
| 2 | > interval by 1 mnth | 1 |
0.1%
|
| 3 | > age at death | 4 |
0.4%
|
| 4 | during preg in cal. | 0 |
0%
|
| Sysmiss | 4407 |