| Value | Category | Cases | |
|---|---|---|---|
| 0 | Non | 16 | 
                                    
                                    0.4%
                                 | 
| 1 | Oui | 14 | 
                                    
                                    0.3%
                                 | 
| Sysmiss | 4397 | 
                                    
                                    99.3%
                                 |