| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Single birth | 52 |
89.7%
|
| 1 | 1st of multiple | 5 |
8.6%
|
| 2 | 2nd of multiple | 1 |
1.7%
|
| 3 | 3rd of multiple | 0 |
0%
|
| 4 | 4th of multiple | 0 |
0%
|
| 5 | 5th of multiple | 0 |
0%
|
| Sysmiss | 273 |