| Value | Category | Cases | |
|---|---|---|---|
| 0 | First birth | 10532 |
44%
|
| 1 | <2 years | 2984 |
12.5%
|
| 2 | 2 years | 3586 |
15%
|
| 3 | 3 years | 2294 |
9.6%
|
| 4 | 4+ years | 4528 |
18.9%
|