| January | 
          +0.29%
 | 
          +0.80%
 | 
          +1.80%
 | 
          
            +3.53%
           | 
          
            +1.32%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | February | 
          +0.39%
 | 
          +1.09%
 | 
          +1.35%
 | 
          
            +1.78%
           | 
          
            +2.22%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | March | 
          +0.29%
 | 
          +0.69%
 | 
          -1.50%
 | 
          
            +0.38%
           | 
          
            +0.60%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | April | 
          +0.29%
 | 
          -2.54%
 | 
          -1.52%
 | 
          
            -3.94%
           | 
          
            -2.31%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | May | 
          +0.39%
 | 
          -0.50%
 | 
          +1.37%
 | 
          
            +1.50%
           | 
          
            +0.30%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | June | 
          +0.38%
 | 
          +0.60%
 | 
          +1.86%
 | 
          
            +2.72%
           | 
          
            +2.89%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | July | 
          +0.38%
 | 
          +1.00%
 | 
          -3.24%
 | 
          
            -5.52%
           | 
          
            -3.76%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | August | 
          +0.38%
 | 
          +1.88%
 | 
          +0.34%
 | 
          
            0.00%
           | 
          
            +1.00%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | September | 
          +0.38%
 | 
          +0.29%
 | 
          +1.11%
 | 
          
            +3.92%
           | 
          
            +2.05%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | October | 
          +0.38%
 | 
          +0.87%
 | 
          +1.52%
 | 
          
            +1.85%
           | 
          
            +3.94%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | November | 
          +0.28%
 | 
          -0.86%
 | 
          +4.08%
 | 
          
            +6.96%
           | 
          
            +6.16%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | December | 
          +0.38%
 | 
          +0.97%
 | 
          +3.36%
 | 
          
            +4.17%
           | 
          
            +4.38%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           |