| Value | Category | Cases | |
|---|---|---|---|
| 2 | MEDICAL STAFF NOT AVAILABLE | 1 | 
                                    
                                    0.1%
                                 | 
| 97 | OTHER (specify) | 2 | 
                                    
                                    0.2%
                                 | 
| Sysmiss | 872 | 
                                    
                                    99.7%
                                 |