| Value | Category | Cases | |
|---|---|---|---|
| 2016 | 33 | 
                                                                 
                                    
                                    5.8%
                                 
                                                             | 
                                                        
                    |
| 2017 | 387 | 
                                                                 
                                    
                                    67.5%
                                 
                                                             | 
                                                        
                    |
| 2018 | 153 | 
                                                                 
                                    
                                    26.7%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 4081 |