| Value | Category | Cases | |
|---|---|---|---|
| 0 | Non | 120 | 
                                    
                                    11.9%
                                 | 
| 1 | Oui | 881 | 
                                    
                                    87.5%
                                 | 
| 9 | nr | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 6 | 
                                    
                                    0.6%
                                 |