| Value | Category | Cases | |
|---|---|---|---|
| -999999 | 1162 | 
                                    
                                    26.2%
                                 | |
| 98 | Autre, préciser | 390 | 
                                    
                                    8.8%
                                 | 
| Sysmiss | 2875 | 
                                    
                                    64.9%
                                 |