| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | No prior child | 1231 |
39.1%
|
| 2 | 499 |
15.8%
|
|
| 3 | 855 |
27.2%
|
|
| 4 | 462 |
14.7%
|
|
| 5 | 84 |
2.7%
|
|
| 6 | 8 |
0.3%
|
|
| 7 | 10 |
0.3%
|