| January | 
          +0.35%
 | 
          +0.10%
 | 
          -2.67%
 | 
          
            -2.35%
           | 
          
            -4.24%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | February | 
          +0.32%
 | 
          +1.41%
 | 
          -1.49%
 | 
          
            -2.56%
           | 
          
            -2.29%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | March | 
          +0.33%
 | 
          -0.05%
 | 
          +0.97%
 | 
          
            +1.55%
           | 
          
            -1.90%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | April | 
          +0.33%
 | 
          +0.83%
 | 
          +8.26%
 | 
          
            +8.31%
           | 
          
            +9.82%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | May | 
          +0.34%
 | 
          +1.87%
 | 
          +5.26%
 | 
          
            +9.42%
           | 
          
            +6.07%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | June | 
          +0.20%
 | 
          -0.30%
 | 
          +1.20%
 | 
          
            +2.20%
           | 
          
            +2.30%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | July | 
          +0.30%
 | 
          -3.41%
 | 
          +1.78%
 | 
          
            +4.60%
           | 
          
            +2.35%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | August | 
          +0.40%
 | 
          +0.73%
 | 
          +1.94%
 | 
          
            +4.12%
           | 
          
            +2.39%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | September | 
          +0.40%
 | 
          +2.68%
 | 
          -1.14%
 | 
          
            -1.35%
           | 
          
            +3.08%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | October | 
          +0.30%
 | 
          +1.00%
 | 
          +5.68%
 | 
          
            +7.65%
           | 
          
            +6.06%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | November | 
          +0.30%
 | 
          +0.30%
 | 
          +0.91%
 | 
          
            +3.47%
           | 
          
            +2.22%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
        
                                
          | December | 
          +0.49%
 | 
          +1.01%
 | 
          +5.24%
 | 
          
            +2.04%
           | 
          
            +7.68%
           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           | 
                  
            -           |