| Value | Category | Cases | |
|---|---|---|---|
| 2013 | 5 | 
                                                                 
                                    
                                    4.5%
                                 
                                                             | 
                                                        
                    |
| 2014 | 22 | 
                                                                 
                                    
                                    19.6%
                                 
                                                             | 
                                                        
                    |
| 2015 | 85 | 
                                                                 
                                    
                                    75.9%
                                 
                                                             | 
                                                        
                    |
| Sysmiss | 3500 |