| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | no prior child | 3901 |
33.5%
|
| 2 | 1803 |
15.5%
|
|
| 3 | 3533 |
30.4%
|
|
| 4 | 2022 |
17.4%
|
|
| 5 | 316 |
2.7%
|
|
| 6 | 38 |
0.3%
|
|
| 7 | 15 |
0.1%
|