| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 14610 |
46.3%
|
| 2 | no | 11210 |
35.5%
|
| 3 | no previous pregnancy | 5749 |
18.2%
|
| 4 | 4 |
0%
|
|
| 5 | 1 |
0%
|
|
| Sysmiss | 48183 |