| Value | Category | Cases | |
|---|---|---|---|
| 1 | Pregnancy | 15 |
13.5%
|
| 2 | 0-6 months | 36 |
32.4%
|
| 3 | 6-12 months | 38 |
34.2%
|
| 4 | 12-24 months | 22 |
19.8%
|
| Sysmiss | 571 |