| Value | Category | Cases | |
|---|---|---|---|
| 2014 | 278 | 
                                    
                                    28.1%
                                 | |
| 2015 | 641 | 
                                    
                                    64.9%
                                 | |
| 2016 | 69 | 
                                    
                                    7%
                                 | |
| Sysmiss | 1 |