| Value | Category | Cases | |
|---|---|---|---|
| 0 | First birth | 3125 |
36.5%
|
| 1 | <2 years | 1606 |
18.8%
|
| 2 | 2 years | 1519 |
17.8%
|
| 3 | 3 years | 934 |
10.9%
|
| 4 | 4+ years | 1372 |
16%
|