| Value | Category | Cases | |
|---|---|---|---|
| 0 | First birth | 5232 |
31.6%
|
| 1 | <2 years | 2621 |
15.9%
|
| 2 | 2 years | 3442 |
20.8%
|
| 3 | 3 years | 2142 |
13%
|
| 4 | 4+ years | 3096 |
18.7%
|