| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not applicable | 208 | 
                                    
                                    84.2%
                                 | 
| 1 | On duty | 10 | 
                                    
                                    4%
                                 | 
| 2 | On call | 29 | 
                                    
                                    11.7%
                                 | 
| Sysmiss | 1021 |