| 
                 
                    Closing price on 8/22/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    25.30 | 
                 
                
                    | High | 
                    25.70 | 
                 
                
                    | Low | 
                    25.00 | 
                     
                
                    | Volume | 
                    150,320 | 
                                 
                
                    | Split-adjusted Price | 
                    12.01 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CHP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/22/2017
             | 
            
                +0.30 / +1.19%
             |             
            
                25.30
             |           
            
                25.70
             |               
            
                25.00
             |                           
            
                25.60
             | 
            
                25.30
             |                     
            
                12.01
             |                                 
            
                150,320
             |            
            
                 
             |                                       
         
    
        
            | 
                8/21/2017
             | 
            
                -0.30 / -1.17%
             |             
            
                25.60
             |           
            
                25.60
             |               
            
                25.30
             |                           
            
                25.30
             | 
            
                25.50
             |                     
            
                11.86
             |                                 
            
                94,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/18/2017
             | 
            
                +0.10 / +0.39%
             |             
            
                25.40
             |           
            
                25.65
             |               
            
                25.30
             |                           
            
                25.60
             | 
            
                25.45
             |                     
            
                12.01
             |                                 
            
                42,870
             |            
            
                 
             |                                       
         
    
        
            | 
                8/17/2017
             | 
            
                -0.10 / -0.39%
             |             
            
                25.50
             |           
            
                25.80
             |               
            
                25.20
             |                           
            
                25.50
             | 
            
                25.41
             |                     
            
                11.96
             |                                 
            
                76,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/16/2017
             | 
            
                0.00 / 0.00%
             |             
            
                25.60
             |           
            
                25.65
             |               
            
                25.20
             |                           
            
                25.60
             | 
            
                25.37
             |                     
            
                12.01
             |                                 
            
                89,210
             |            
            
                 
             |                                       
         
    
        
            | 
                8/15/2017
             | 
            
                -0.30 / -1.16%
             |             
            
                26.00
             |           
            
                26.00
             |               
            
                25.35
             |                           
            
                25.60
             | 
            
                25.54
             |                     
            
                12.01
             |                                 
            
                82,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/14/2017
             | 
            
                +0.10 / +0.39%
             |             
            
                26.00
             |           
            
                26.50
             |               
            
                25.70
             |                           
            
                25.90
             | 
            
                25.87
             |                     
            
                12.15
             |                                 
            
                55,440
             |            
            
                 
             |                                       
         
    
        
            | 
                8/11/2017
             | 
            
                +0.20 / +0.78%
             |             
            
                25.70
             |           
            
                25.80
             |               
            
                25.45
             |                           
            
                25.80
             | 
            
                25.61
             |                     
            
                12.10
             |                                 
            
                76,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/10/2017
             | 
            
                +0.30 / +1.19%
             |             
            
                25.30
             |           
            
                25.75
             |               
            
                25.30
             |                           
            
                25.60
             | 
            
                25.44
             |                     
            
                12.01
             |                                 
            
                82,220
             |            
            
                 
             |                                       
         
    
        
            | 
                8/9/2017
             | 
            
                -0.70 / -2.69%
             |             
            
                26.00
             |           
            
                26.40
             |               
            
                25.30
             |                           
            
                25.30
             | 
            
                25.70
             |                     
            
                11.86
             |                                 
            
                162,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/8/2017
             | 
            
                0.00 / 0.00%
             |             
            
                26.00
             |           
            
                26.60
             |               
            
                25.60
             |                           
            
                26.00
             | 
            
                25.98
             |                     
            
                12.19
             |                                 
            
                142,690
             |            
            
                 
             |                                       
         
    
        
            | 
                8/7/2017
             | 
            
                -1.00 / -3.70%
             |             
            
                27.00
             |           
            
                27.20
             |               
            
                26.00
             |                           
            
                26.00
             | 
            
                26.39
             |                     
            
                12.19
             |                                 
            
                230,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/4/2017
             | 
            
                -0.25 / -0.92%
             |             
            
                27.20
             |           
            
                27.50
             |               
            
                27.00
             |                           
            
                27.00
             | 
            
                27.08
             |                     
            
                12.66
             |                                 
            
                179,350
             |            
            
                 
             |                                       
         
    
        
            | 
                8/3/2017
             | 
            
                +0.15 / +0.55%
             |             
            
                27.10
             |           
            
                28.00
             |               
            
                26.90
             |                           
            
                27.25
             | 
            
                27.30
             |                     
            
                12.78
             |                                 
            
                420,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/2/2017
             | 
            
                -0.20 / -0.73%
             |             
            
                27.30
             |           
            
                27.90
             |               
            
                26.95
             |                           
            
                27.10
             | 
            
                27.22
             |                     
            
                12.71
             |                                 
            
                262,870
             |            
            
                 
             |                                       
         
    
        
            | 
                8/1/2017
             | 
            
                -0.20 / -0.73%
             |             
            
                27.40
             |           
            
                27.50
             |               
            
                27.20
             |                           
            
                27.30
             | 
            
                27.30
             |                     
            
                12.80
             |                                 
            
                119,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/31/2017
             | 
            
                -0.30 / -1.08%
             |             
            
                27.80
             |           
            
                27.80
             |               
            
                27.30
             |                           
            
                27.50
             | 
            
                27.46
             |                     
            
                12.90
             |                                 
            
                84,620
             |            
            
                 
             |                                       
         
    
        
            | 
                7/28/2017
             | 
            
                +0.20 / +0.72%
             |             
            
                27.50
             |           
            
                27.80
             |               
            
                27.50
             |                           
            
                27.80
             | 
            
                27.64
             |                     
            
                13.04
             |                                 
            
                76,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/27/2017
             | 
            
                -0.20 / -0.72%
             |             
            
                27.80
             |           
            
                27.80
             |               
            
                27.30
             |                           
            
                27.60
             | 
            
                27.57
             |                     
            
                12.94
             |                                 
            
                131,990
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2017
             | 
            
                -0.30 / -1.07%
             |             
            
                28.20
             |           
            
                28.20
             |               
            
                27.80
             |                           
            
                27.80
             | 
            
                27.98
             |                     
            
                13.04
             |                                 
            
                131,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/25/2017
             | 
            
                +0.05 / +0.18%
             |             
            
                28.05
             |           
            
                28.20
             |               
            
                27.80
             |                           
            
                28.10
             | 
            
                28.03
             |                     
            
                13.18
             |                                 
            
                135,110
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2017
             | 
            
                -0.55 / -1.92%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.00
             |                           
            
                28.05
             | 
            
                28.18
             |                     
            
                13.15
             |                                 
            
                98,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/21/2017
             | 
            
                -0.40 / -1.38%
             |             
            
                29.10
             |           
            
                29.20
             |               
            
                28.40
             |                           
            
                28.60
             | 
            
                28.90
             |                     
            
                13.41
             |                                 
            
                80,130
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2017
             | 
            
                +0.55 / +1.93%
             |             
            
                28.45
             |           
            
                29.80
             |               
            
                28.45
             |                           
            
                29.00
             | 
            
                28.94
             |                     
            
                13.60
             |                                 
            
                154,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2017
             | 
            
                -0.10 / -0.35%
             |             
            
                28.55
             |           
            
                28.55
             |               
            
                28.10
             |                           
            
                28.45
             | 
            
                28.50
             |                     
            
                13.34
             |                                 
            
                72,710
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2017
             | 
            
                +0.05 / +0.18%
             |             
            
                28.25
             |           
            
                28.55
             |               
            
                28.25
             |                           
            
                28.55
             | 
            
                28.41
             |                     
            
                13.39
             |                                 
            
                77,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/17/2017
             | 
            
                -0.15 / -0.52%
             |             
            
                28.65
             |           
            
                28.75
             |               
            
                28.15
             |                           
            
                28.50
             | 
            
                28.54
             |                     
            
                13.37
             |                                 
            
                91,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/14/2017
             | 
            
                -0.05 / -0.17%
             |             
            
                28.70
             |           
            
                28.70
             |               
            
                28.20
             |                           
            
                28.65
             | 
            
                28.45
             |                     
            
                13.44
             |                                 
            
                65,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2017
             | 
            
                +0.30 / +1.06%
             |             
            
                28.30
             |           
            
                28.80
             |               
            
                28.30
             |                           
            
                28.70
             | 
            
                28.49
             |                     
            
                13.46
             |                                 
            
                49,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2017
             | 
            
                0.00 / 0.00%
             |             
            
                28.45
             |           
            
                28.50
             |               
            
                28.25
             |                           
            
                28.40
             | 
            
                28.37
             |                     
            
                13.32
             |                                 
            
                75,210
             |  
            
                 
             |                                                              
             
    
         
    
    
 |