| Value | Category | Cases | |
|---|---|---|---|
| 2013 | 1 | 
                                    
                                    1%
                                 | |
| 2014 | 3 | 
                                    
                                    3%
                                 | |
| 2015 | 37 | 
                                    
                                    36.6%
                                 | |
| 2016 | 60 | 
                                    
                                    59.4%
                                 | |
| Sysmiss | 64047 |