| Value | Category | Cases | |
|---|---|---|---|
| 2003 | 2 | 
                                    
                                    0%
                                 | |
| 2006 | 1 | 
                                    
                                    0%
                                 | |
| 2007 | 1 | 
                                    
                                    0%
                                 | |
| 2008 | 2 | 
                                    
                                    0%
                                 | |
| 2009 | 1 | 
                                    
                                    0%
                                 | |
| 2011 | 4 | 
                                    
                                    0%
                                 | |
| 2012 | 10 | 
                                    
                                    0.1%
                                 | |
| 2013 | 2 | 
                                    
                                    0%
                                 | |
| 2014 | 22 | 
                                    
                                    0.2%
                                 | |
| 2015 | 5613 | 
                                    
                                    60.5%
                                 | |
| 2016 | 3618 | 
                                    
                                    39%
                                 | |
| 2017 | 2 | 
                                    
                                    0%
                                 | |
| Sysmiss | 10280 |