| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not applicable | 296 | 
                                    
                                    90%
                                 | 
| 1 | On duty | 6 | 
                                    
                                    1.8%
                                 | 
| 2 | On call | 27 | 
                                    
                                    8.2%
                                 | 
| Sysmiss | 939 |