| Value | Category | Cases | |
|---|---|---|---|
| 0 | First birth | 1574 |
28.6%
|
| 1 | <2 years | 1631 |
29.6%
|
| 2 | 2 years | 1119 |
20.3%
|
| 3 | 3 years | 518 |
9.4%
|
| 4 | 4+ years | 665 |
12.1%
|