| Value | Category | Cases | |
|---|---|---|---|
| 0 | First birth | 9307 |
24.8%
|
| 1 | <2 years | 8943 |
23.8%
|
| 2 | 2 years | 9349 |
24.9%
|
| 3 | 3 years | 4656 |
12.4%
|
| 4 | 4+ years | 5251 |
14%
|