| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not applicable | 96 | 
                                    
                                    11.4%
                                 | 
| 1 | On duty | 743 | 
                                    
                                    88.6%
                                 | 
| 2 | On call | 0 | 
                                    
                                    0%
                                 | 
| Sysmiss | 429 |