| Sep 2017 | Albula Investment Fund Ltd | 62,481,521 | 1.62% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Jun 2017 | Albula Investment Fund Ltd | 73,390,698 | 1.90% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Mar 2017 | Albula Investment Fund Ltd | 73,690,698 | 1.91% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Dec 2016 | Albula Investment Fund Ltd | 79,690,698 | 2.28% | - | -% | - | -% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Sep 2016 | Albula Investment Fund Limited | 79,690,698 | 2.33% | - | -% | - | -% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Jun 2016 | Albula Investment Fund Limited | 79,690,698 | 2.39% | - | -% | - | -% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Mar 2016 | Albula Investment Fund Ltd | 64,690,698 | 1.94% | - | -% | - | 0.00% | 
                    
                        
                            
                                
                                    |  |  |  | 
                                
                        
                        
                            | Dec 2015 | Albula Investment Fund Ltd | 64,690,698 | 2.20% | - | -% | - | 0.00% |