| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not applicable | 166 | 
                                    
                                    44.5%
                                 | 
| 1 | On duty | 88 | 
                                    
                                    23.6%
                                 | 
| 2 | On call | 119 | 
                                    
                                    31.9%
                                 | 
| Sysmiss | 895 |