| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2011 | 5 | 
                                    
                                    3.1%
                                 | 
| 2 | 2012 | 11 | 
                                    
                                    6.7%
                                 | 
| 3 | 2013 | 127 | 
                                    
                                    77.9%
                                 | 
| 4 | 2014 | 20 | 
                                    
                                    12.3%
                                 | 
| Sysmiss | 1337 |