| Value | Category | Cases | |
|---|---|---|---|
| 0 | Non | 8531 | 
                                    
                                    76.7%
                                 | 
| 1 | Oui | 920 | 
                                    
                                    8.3%
                                 | 
| 9 | Manquant | 1678 | 
                                    
                                    15.1%
                                 | 
| Sysmiss | 10325 |