| Value | Category | Cases | |
|---|---|---|---|
| 0 | Non | 7450 | 
                                    
                                    66.9%
                                 | 
| 1 | Oui | 2118 | 
                                    
                                    19%
                                 | 
| 9 | Manquant | 1561 | 
                                    
                                    14%
                                 | 
| Sysmiss | 10325 |