| Value | Category | Cases | |
|---|---|---|---|
| 0 | First birth | 1688 |
37.9%
|
| 1 | <2 years | 678 |
15.2%
|
| 2 | 2 years | 617 |
13.9%
|
| 3 | 3 years | 386 |
8.7%
|
| 4 | 4+ years | 1084 |
24.3%
|