| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | term | 3880 | 
                                                                 
                                    
                                    98%
                                 
                                                             | 
                                                        
                    
| 2 | premature | 62 | 
                                                                 
                                    
                                    1.6%
                                 
                                                             | 
                                                        
                    
| 8 | don't know | 16 | 
                                                                 
                                    
                                    0.4%
                                 
                                                             | 
                                                        
                    
| Sysmiss | 2487 |