| Value | Category | Cases | |
|---|---|---|---|
| 1 | Oui | 14 | 
                                    
                                    17.9%
                                 | 
| 2 | Non | 47 | 
                                    
                                    60.3%
                                 | 
| 9 | Manquant | 17 | 
                                    
                                    21.8%
                                 | 
| Sysmiss | 4426 |