| Value | Category | Cases | |
|---|---|---|---|
| 1 | Connu | 919 | 
                                    
                                    95.6%
                                 | 
| 2 | Inconnu | 29 | 
                                    
                                    3%
                                 | 
| 9 | nr | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 13 | 
                                    
                                    1.4%
                                 |