| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 | 
                                    
                                    0%
                                 | |
| 2000 | 1 | 
                                    
                                    0%
                                 | |
| 2007 | 1 | 
                                    
                                    0%
                                 | |
| 2014 | 7 | 
                                    
                                    0.1%
                                 | |
| 2015 | 2 | 
                                    
                                    0%
                                 | |
| 2016 | 11 | 
                                    
                                    0.1%
                                 | |
| 2017 | 881 | 
                                    
                                    11.2%
                                 | |
| 2018 | 5238 | 
                                    
                                    66.5%
                                 | |
| 2019 | 1723 | 
                                    
                                    21.9%
                                 | |
| 2020 | 8 | 
                                    
                                    0.1%
                                 | |
| Sysmiss | 20 |