| Value | Category | Cases | |
|---|---|---|---|
| 2016 | 34 | 
                                    
                                    3.7%
                                 | |
| 2017 | 53 | 
                                    
                                    5.8%
                                 | |
| 2018 | 163 | 
                                    
                                    17.9%
                                 | |
| 2019 | 309 | 
                                    
                                    33.8%
                                 | |
| 2020 | 354 | 
                                    
                                    38.8%
                                 | |
| Sysmiss | 272 |