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                    Closing price on 5/11/2021
                 |  |  
    
        |           
                
                    | Open | 20.20 |  
                    | High | 20.40 |  
                    | Low | 19.60 |  
                    | Volume | 293,200 |  
                    | Split-adjusted Price | 18.05 |  
                
             | 
 |  NRC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/11/2021 | -0.30 / -1.49% | 20.20 | 20.40 | 19.60 | 19.90 | 20.08 | 18.05 | 293,200 |   |  
            | 5/10/2021 | -0.60 / -2.88% | 20.70 | 20.70 | 19.80 | 20.20 | 20.19 | 18.32 | 283,600 |   |  			
            | 5/7/2021 | -0.70 / -3.26% | 21.20 | 21.30 | 20.60 | 20.80 | 20.74 | 18.86 | 334,900 |   |  
            | 5/6/2021 | +0.60 / +2.87% | 20.90 | 21.80 | 20.70 | 21.50 | 21.23 | 19.50 | 274,500 |   |  			
            | 5/5/2021 | +0.40 / +1.95% | 20.60 | 21.00 | 20.30 | 20.90 | 20.65 | 18.95 | 268,100 |   |  
            | 5/4/2021 | -1.40 / -6.39% | 21.80 | 21.80 | 20.40 | 20.50 | 21.25 | 18.59 | 276,000 |   |  			
            | 4/29/2021 | -0.10 / -0.45% | 22.10 | 22.10 | 21.80 | 21.90 | 21.93 | 19.86 | 245,300 |   |  
            | 4/28/2021 | +0.10 / +0.46% | 21.80 | 22.10 | 21.60 | 22.00 | 21.89 | 19.95 | 218,500 |   |  			
            | 4/27/2021 | -0.10 / -0.45% | 22.20 | 22.30 | 21.80 | 21.90 | 22.00 | 19.86 | 252,800 |   |  
            | 4/26/2021 | -0.40 / -1.79% | 22.40 | 23.50 | 22.00 | 22.00 | 22.79 | 19.95 | 344,600 |   |  			
            | 4/23/2021 | +0.40 / +1.82% | 22.00 | 22.40 | 21.50 | 22.40 | 22.01 | 20.31 | 179,100 |   |  
            | 4/22/2021 | -0.50 / -2.22% | 22.30 | 22.90 | 22.00 | 22.00 | 22.51 | 19.95 | 304,900 |   |  			
            | 4/20/2021 | +0.20 / +0.90% | 22.20 | 23.40 | 22.20 | 22.50 | 23.10 | 20.41 | 289,901 |   |  
            | 4/19/2021 | +0.20 / +0.90% | 22.10 | 22.50 | 20.50 | 22.30 | 21.45 | 20.22 | 226,400 |   |  			
            | 4/16/2021 | -1.00 / -4.33% | 23.00 | 23.00 | 21.90 | 22.10 | 22.46 | 20.04 | 381,100 |   |  
            | 4/15/2021 | -0.80 / -3.35% | 24.20 | 24.30 | 22.70 | 23.10 | 23.57 | 20.95 | 388,900 |   |  			
            | 4/14/2021 | -0.10 / -0.42% | 24.00 | 24.00 | 23.50 | 23.90 | 23.68 | 21.67 | 294,900 |   |  
            | 4/13/2021 | -0.60 / -2.44% | 24.50 | 24.80 | 23.80 | 24.00 | 24.12 | 21.77 | 301,200 |   |  			
            | 4/12/2021 | -0.20 / -0.81% | 24.80 | 25.50 | 24.20 | 24.60 | 24.82 | 22.31 | 297,200 |   |  
            | 4/9/2021 | 0.00 / 0.00% | 23.00 | 26.40 | 23.00 | 24.80 | 24.69 | 22.49 | 255,900 |   |  			
            | 4/8/2021 | -0.10 / -0.40% | 24.90 | 25.40 | 24.50 | 24.80 | 24.87 | 22.49 | 257,600 |   |  
            | 4/7/2021 | -0.50 / -1.97% | 25.30 | 25.30 | 24.90 | 24.90 | 25.07 | 22.58 | 296,600 |   |  			
            | 4/6/2021 | -0.10 / -0.39% | 25.00 | 25.70 | 25.00 | 25.40 | 25.33 | 23.04 | 979,400 |   |  
            | 4/5/2021 | -0.50 / -1.92% | 26.00 | 26.00 | 25.10 | 25.50 | 25.58 | 23.13 | 275,100 |   |  			
            | 4/2/2021 | 0.00 / 0.00% | 26.10 | 26.90 | 26.00 | 26.00 | 26.14 | 23.58 | 286,400 |   |  
            | 4/1/2021 | +1.30 / +5.26% | 24.70 | 26.20 | 24.70 | 26.00 | 25.29 | 23.58 | 301,800 |   |  			
            | 3/31/2021 | +0.30 / +1.23% | 25.00 | 25.00 | 24.40 | 24.70 | 24.76 | 22.40 | 242,700 |   |  
            | 3/30/2021 | -0.10 / -0.41% | 24.50 | 24.50 | 24.00 | 24.40 | 24.15 | 22.13 | 273,000 |   |  			
            | 3/29/2021 | -0.50 / -2.00% | 25.10 | 25.20 | 24.20 | 24.50 | 24.34 | 22.22 | 290,400 |   |  
            | 3/26/2021 | -0.30 / -1.19% | 25.00 | 25.00 | 23.20 | 25.00 | 24.51 | 22.67 | 292,400 |   |  |