| January | 
          +0.51%
 | 
          +1.33%
 | 
          +3.40%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | February | 
          +0.43%
 | 
          -1.72%
 | 
          -2.70%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | March | 
          +0.52%
 | 
          -2.45%
 | 
          -4.39%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | April | 
          +0.56%
 | 
          -0.81%
 | 
          +1.28%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | May | 
          +0.60%
 | 
          -0.02%
 | 
          +1.66%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | June | 
          +0.59%
 | 
          -0.24%
 | 
          -2.47%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | July | 
          +0.62%
 | 
          +1.97%
 | 
          +3.27%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | August | 
          +0.60%
 | 
          +0.13%
 | 
          +4.11%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | September | 
          +0.59%
 | 
          -1.47%
 | 
          -2.44%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | October | 
          +0.65%
 | 
          -0.10%
 | 
          +2.24%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | November | 
          +0.64%
 | 
          -0.23%
 | 
          -3.62%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | December | 
          +0.68%
 | 
          +0.69%
 | 
          +1.49%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           |