| Value | Category | Cases | |
|---|---|---|---|
| 0 | Non | 7021 | 
                                    
                                    63.1%
                                 | 
| 1 | Oui | 2583 | 
                                    
                                    23.2%
                                 | 
| 9 | Manquant | 1525 | 
                                    
                                    13.7%
                                 | 
| Sysmiss | 10325 |