| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no prior child | 1284 |
27.3%
|
| 1 | 779 |
16.6%
|
|
| 2 | 1507 |
32.1%
|
|
| 3 | 989 |
21.1%
|
|
| 4 | 131 |
2.8%
|
|
| 5 | 7 |
0.1%
|