| January | 
          +0.56%
 | 
          +0.30%
 | 
          +6.22%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | February | 
          +0.51%
 | 
          +0.24%
 | 
          +0.79%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | March | 
          +0.57%
 | 
          -1.11%
 | 
          -4.13%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | April | 
          +0.58%
 | 
          +1.49%
 | 
          +6.00%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | May | 
          +0.58%
 | 
          +0.94%
 | 
          +6.07%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | June | 
          +0.56%
 | 
          +1.18%
 | 
          +4.45%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | July | 
          +0.57%
 | 
          +2.69%
 | 
          +7.94%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | August | 
          +0.53%
 | 
          -0.86%
 | 
          -5.59%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | September | 
          +0.54%
 | 
          +1.48%
 | 
          +5.46%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | October | 
          +0.54%
 | 
          +1.45%
 | 
          -3.38%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | November | 
          +0.50%
 | 
          +0.46%
 | 
          +4.61%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | December | 
          +0.52%
 | 
          +1.01%
 | 
          +1.71%
 | 
          
            -           | 
          
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           |