| Value | Category | Cases | |
|---|---|---|---|
| 2001 | 1 | 
                                    
                                    0%
                                 | |
| 2005 | 1 | 
                                    
                                    0%
                                 | |
| 2009 | 1 | 
                                    
                                    0%
                                 | |
| 2014 | 1 | 
                                    
                                    0%
                                 | |
| 2015 | 3 | 
                                    
                                    0.1%
                                 | |
| 2016 | 1 | 
                                    
                                    0%
                                 | |
| 2017 | 3 | 
                                    
                                    0.1%
                                 | |
| 2018 | 2013 | 
                                    
                                    62.5%
                                 | |
| 2019 | 1198 | 
                                    
                                    37.2%
                                 | |
| Sysmiss | 7 |