| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | No prior child | 1530 |
30.1%
|
| 1 | 665 |
13.1%
|
|
| 2 | 1200 |
23.6%
|
|
| 3 | 1386 |
27.2%
|
|
| 4 | 281 |
5.5%
|
|
| 5 | 22 |
0.4%
|
|
| 6 | 4 |
0.1%
|