| 
    
        
            | 
                    Closing price on 1/18/2019
                 |  |  
    
        |           
                
                    | Open | 148.20 |  
                    | High | 150.20 |  
                    | Low | 147.00 |  
                    | Volume | 37,110 |  
                    | Split-adjusted Price | 100.46 |  
                
             | 
 |  CTD Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/18/2019 | -0.30 / -0.20% | 148.20 | 150.20 | 147.00 | 147.90 | 148.07 | 100.46 | 37,110 |   |  
            | 1/17/2019 | -1.00 / -0.67% | 149.20 | 150.40 | 148.20 | 148.20 | 149.42 | 100.66 | 47,900 |   |  			
            | 1/16/2019 | -5.30 / -3.43% | 154.20 | 155.70 | 149.20 | 149.20 | 151.65 | 101.34 | 96,130 |   |  
            | 1/15/2019 | -1.50 / -0.96% | 156.00 | 156.30 | 154.50 | 154.50 | 155.37 | 104.94 | 69,370 |   |  			
            | 1/14/2019 | -2.50 / -1.58% | 158.50 | 159.50 | 156.00 | 156.00 | 157.21 | 105.96 | 37,180 |   |  
            | 1/11/2019 | -1.50 / -0.94% | 160.00 | 161.30 | 158.50 | 158.50 | 159.13 | 107.66 | 44,820 |   |  			
            | 1/10/2019 | 0.00 / 0.00% | 160.00 | 162.00 | 158.00 | 160.00 | 160.70 | 108.68 | 508,860 |   |  
            | 1/9/2019 | +0.10 / +0.06% | 159.80 | 162.00 | 158.00 | 160.00 | 160.91 | 108.68 | 235,320 |   |  			
            | 1/8/2019 | -0.10 / -0.06% | 160.20 | 160.20 | 158.20 | 159.90 | 159.35 | 108.61 | 28,020 |   |  
            | 1/7/2019 | +0.50 / +0.31% | 160.00 | 160.00 | 158.40 | 160.00 | 159.79 | 108.68 | 462,860 |   |  			
            | 1/4/2019 | 0.00 / 0.00% | 159.50 | 159.50 | 156.00 | 159.50 | 158.30 | 108.34 | 84,680 |   |  
            | 1/3/2019 | -0.50 / -0.31% | 160.00 | 160.00 | 158.00 | 159.50 | 159.19 | 108.34 | 235,330 |   |  			
            | 1/2/2019 | 0.00 / 0.00% | 159.60 | 160.00 | 158.00 | 160.00 | 159.45 | 108.68 | 241,770 |   |  
            | 12/28/2018 | -0.20 / -0.12% | 160.20 | 161.00 | 158.60 | 160.00 | 159.96 | 108.68 | 398,730 |   |  			
            | 12/27/2018 | +2.20 / +1.39% | 159.00 | 160.60 | 158.00 | 160.20 | 159.86 | 108.82 | 528,550 |   |  
            | 12/26/2018 | +0.40 / +0.25% | 157.60 | 158.00 | 156.50 | 158.00 | 157.61 | 107.32 | 599,010 |   |  			
            | 12/25/2018 | -1.60 / -1.01% | 158.00 | 158.80 | 156.00 | 157.60 | 158.19 | 107.05 | 455,850 |   |  
            | 12/24/2018 | +0.70 / +0.44% | 158.50 | 159.60 | 158.50 | 159.20 | 159.31 | 108.14 | 703,160 |   |  			
            | 12/21/2018 | +0.50 / +0.32% | 157.20 | 158.90 | 157.20 | 158.50 | 158.34 | 107.66 | 696,860 |   |  
            | 12/20/2018 | +0.50 / +0.32% | 156.50 | 159.00 | 156.50 | 158.00 | 158.34 | 107.32 | 281,280 |   |  			
            | 12/19/2018 | -3.00 / -1.87% | 160.00 | 161.00 | 157.00 | 157.50 | 158.46 | 106.98 | 276,460 |   |  
            | 12/18/2018 | +0.40 / +0.25% | 158.10 | 160.80 | 158.10 | 160.50 | 160.11 | 109.02 | 569,010 |   |  			
            | 12/17/2018 | -1.40 / -0.87% | 160.00 | 161.50 | 159.80 | 160.10 | 160.59 | 108.75 | 260,920 |   |  
            | 12/14/2018 | +2.10 / +1.32% | 160.00 | 162.00 | 159.50 | 161.50 | 161.32 | 109.70 | 745,161 |   |  			
            | 12/13/2018 | +2.60 / +1.66% | 156.80 | 160.00 | 156.80 | 159.40 | 159.25 | 108.27 | 459,925 |   |  
            | 12/12/2018 | +0.20 / +0.13% | 156.00 | 158.50 | 156.00 | 156.80 | 157.11 | 106.51 | 203,600 |   |  			
            | 12/11/2018 | +1.60 / +1.03% | 155.00 | 156.90 | 155.00 | 156.60 | 155.98 | 106.37 | 86,680 |   |  
            | 12/10/2018 | -3.50 / -2.21% | 157.50 | 158.00 | 155.00 | 155.00 | 156.39 | 105.28 | 130,120 |   |  			
            | 12/7/2018 | +1.50 / +0.96% | 157.00 | 158.90 | 156.00 | 158.50 | 158.06 | 107.66 | 120,190 |   |  
            | 12/6/2018 | 0.00 / 0.00% | 155.50 | 157.00 | 155.50 | 157.00 | 156.20 | 106.64 | 42,350 |   |  |