| Value | Category | Cases | |
|---|---|---|---|
| 1 | oui | 30 | 
                                    
                                    2.7%
                                 | 
| 2 | non | 735 | 
                                    
                                    65.6%
                                 | 
| 9 | manquant | 356 | 
                                    
                                    31.8%
                                 | 
| Sysmiss | 2847 |