| Value | Category | Cases | |
|---|---|---|---|
| 0 | Non | 7411 | 
                                    
                                    66.6%
                                 | 
| 1 | Oui | 2199 | 
                                    
                                    19.8%
                                 | 
| 9 | Manquant | 1519 | 
                                    
                                    13.6%
                                 | 
| Sysmiss | 10325 |