| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not applicable | 201 | 
                                    
                                    77%
                                 | 
| 1 | On duty | 11 | 
                                    
                                    4.2%
                                 | 
| 2 | On call | 49 | 
                                    
                                    18.8%
                                 | 
| Sysmiss | 1007 |