| Value | Category | Cases | |
|---|---|---|---|
| 1 | Oui | 52 | 
                                    
                                    5.2%
                                 | 
| 2 | nsp | 7 | 
                                    
                                    0.7%
                                 | 
| 3 | Non | 445 | 
                                    
                                    44.5%
                                 | 
| 9 | nr | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 497 | 
                                    
                                    49.7%
                                 |