| Value | Category | Cases | |
|---|---|---|---|
| 0 | Non | 418 | 
                                    
                                    9.4%
                                 | 
| 1 | Oui | 296 | 
                                    
                                    6.7%
                                 | 
| Sysmiss | 3713 | 
                                    
                                    83.9%
                                 |