| Value | Category | Cases | |
|---|---|---|---|
| 2000 | 1 | 
                                    
                                    7.1%
                                 | |
| 2007 | 1 | 
                                    
                                    7.1%
                                 | |
| 2010 | 1 | 
                                    
                                    7.1%
                                 | |
| 2011 | 3 | 
                                    
                                    21.4%
                                 | |
| 2012 | 1 | 
                                    
                                    7.1%
                                 | |
| 2014 | 6 | 
                                    
                                    42.9%
                                 | |
| 2015 | 1 | 
                                    
                                    7.1%
                                 | |
| Sysmiss | 1486 |