| Value | Category | Cases | |
|---|---|---|---|
| 0.00 | First birth | 49106 |
40.5%
|
| 1.00 | <2 years | 11553 |
9.5%
|
| 2.00 | 2 years | 16173 |
13.3%
|
| 3.00 | 3 years | 12479 |
10.3%
|
| 4.00 | 4+ years | 31873 |
26.3%
|