| Value | Category | Cases | |
|---|---|---|---|
| 2002 | 1 | 
                                                                 
                                    
                                    33.3%
                                 
                                                             | 
                                                        
                    |
| 2008 | 1 | 
                                                                 
                                    
                                    33.3%
                                 
                                                             | 
                                                        
                    |
| 2013 | 1 | 
                                                                 
                                    
                                    33.3%
                                 
                                                             |