| Value | Category | Cases | |
|---|---|---|---|
| 0 | Not applicable | 201 | 
                                    
                                    76.7%
                                 | 
| 1 | On duty | 18 | 
                                    
                                    6.9%
                                 | 
| 2 | On call | 43 | 
                                    
                                    16.4%
                                 | 
| Sysmiss | 1006 |