| Value | Category | Cases | |
|---|---|---|---|
| 0 | First birth | 7141 |
26.9%
|
| 1 | <2 ans | 6212 |
23.4%
|
| 2 | 2 ans | 6554 |
24.7%
|
| 3 | 3 ans | 3030 |
11.4%
|
| 4 | 4+ ans | 3599 |
13.6%
|