| Value | Category | Cases | |
|---|---|---|---|
| 12 | DECEMBER | 1166 | 
                                    
                                    11.6%
                                 | 
| 12 | DECEMBER | 743 | 
                                    
                                    7.4%
                                 | 
| Sysmiss | 8171 | 
                                    
                                    81.1%
                                 |