| January | 
          +0.68%
 | 
          -1.38%
 | 
          -6.59%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | February | 
          +0.64%
 | 
          +0.21%
 | 
          +1.26%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | March | 
          +0.72%
 | 
          +0.01%
 | 
          +2.64%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | April | 
          +0.71%
 | 
          -0.94%
 | 
          -2.52%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | May | 
          +0.76%
 | 
          +2.80%
 | 
          +9.44%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | June | 
          +0.71%
 | 
          +1.56%
 | 
          -0.71%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | July | 
          +0.72%
 | 
          +1.24%
 | 
          -0.36%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | August | 
          +0.72%
 | 
          -1.42%
 | 
          -8.65%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | September | 
          +0.73%
 | 
          +0.81%
 | 
          -4.85%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | October | 
          +0.76%
 | 
          +1.32%
 | 
          -0.46%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | November | 
          +0.70%
 | 
          +2.15%
 | 
          +6.36%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | December | 
          +0.70%
 | 
          +1.46%
 | 
          +2.72%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           |