| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 0 | Single birth | 7613 | 
                                    
                                    96.2%
                                 | 
| 1 | 1st of multiple | 149 | 
                                    
                                    1.9%
                                 | 
| 2 | 2nd of multiple | 149 | 
                                    
                                    1.9%
                                 | 
| 3 | 3rd of multiple | 2 | 
                                    
                                    0%
                                 | 
| 4 | 4th of multiple | 0 | 
                                    
                                    0%
                                 | 
| 5 | 5th of multiple | 0 | 
                                    
                                    0%
                                 |