| Value | Category | Cases | |
|---|---|---|---|
| 0 | First birth | 4105 |
36.1%
|
| 1 | <2 years | 2142 |
18.8%
|
| 2 | 2 years | 1915 |
16.8%
|
| 3 | 3 years | 1070 |
9.4%
|
| 4 | 4+ years | 2145 |
18.9%
|