| Value | Category | Cases | |
|---|---|---|---|
| 1 | Oui | 28 | 
                                    
                                    0.6%
                                 | 
| 2 | Non | 4063 | 
                                    
                                    91.5%
                                 | 
| 9 | Manquant | 348 | 
                                    
                                    7.8%
                                 | 
| Sysmiss | 65 |