|  
                Year  
            |  
         
             Beginning Price  
            |  
         
             Ending Price  
            |  
         
             Gain or Loss 
            |  
         
             Percent Gain or Loss  
            |  
      
|  
           1975 
            |  
         
           3.50 
            |  
         
           4.875 
            |  
         
           1.375 
            |  
         
           39.29% 
            |  
      
|  
           1976 
            |  
         
           4.875 
            |  
         
           6.50 
            |  
         
           1.625 
            |  
         
           33.33% 
            |  
      
|  
           1977 
            |  
         
           6.50 
            |  
         
           6.50 
            |  
         
           0 
            |  
         
           0.00% 
            |  
      
|  
           1978 
            |  
         
           6.50 
            |  
         
           7.50 
            |  
         
           1.00 
            |  
         
           15.38% 
            |  
      
|  
           1979 
            |  
         
           7.50 
            |  
         
           8.25 
                
           |  
         
           0.75 
            |  
         
           10.00% 
            |  
      
|  
           1980 
            |  
         
           8.25 
                
           |  
         
           7.50 
                
           |  
         
           -0.75 
            |  
         
           -9.09% 
            |  
      
|  
           1981 
            |  
         
           7.50 
            |  
         
           6.75 
                
           |  
         
           -0.75 
            |  
         
           -10.00% 
            |  
      
|  
           1982 
            |  
         
           6.75 
            |  
         
           8.625 
                
           |  
         
           1.875 
            |  
         
           27.78% 
            |  
      
|  
           1983 
            |  
         
           8.625 
            |  
         
           8.75 
                    
               |  
         
           0.125 
            |  
         
           1.45% 
            |  
      
|  
           1984 
            |  
         
           8.75 
            |  
         
           9.25 
                
             |  
         
           0.50 
            |  
         
           5.71% 
            |  
      
|  
           1985 
            |  
         
           9.25 
            |  
         
           13.50 
                
             |  
         
           4.25 
            |  
         
           45.95% 
            |  
      
|  
           1986 
            |  
         
           13.50 
            |  
         
           16.125 
                
             |  
         
           2.625 
            |  
         
           19.44% 
            |  
      
|  
           1987 
            |  
         
           16.125 
            |  
         
           20.75 
                
             |  
         
           4.625 
            |  
         
           28.68% 
            |  
      
|  
           1988 
            |  
         
           20.75 
            |  
         
           63.00* 
              
           |  
         
           42.25 
            |  
         
           203.61% 
            |  
      
|  
           1989 
            |  
         
           31.50 
            |  
         
           72.00* 
              
           |  
         
           40.50 
            |  
         
           128.57% 
            |  
      
|  
           1990 
            |  
         
           36.00 
            |  
         
           31.50 
                
             |  
         
           -4.50 
            |  
         
           -12.50% 
            |  
      
|  
           1991 
            |  
         
           31.50 
            |  
         
           30.375 
                
             |  
         
           -1.125 
            |  
         
           -3.57% 
            |  
      
|  
           1992 
            |  
         
           30.375 
            |  
         
           42.875 
                
             |  
         
           12.50 
            |  
         
           41.15% 
            |  
      
|  
           1993 
            |  
         
           42.875 
            |  
         
           38.625* 
              
           |  
         
           -4.25 
            |  
         
           -9.91% 
            |  
      
|  
           1994 
            |  
         
           25.75 
            |  
         
           29.50 
                
             |  
         
           3.75 
            |  
         
           14.56% 
            |  
      
|  
           1995 
            |  
         
           29.50 
            |  
         
           31.75 
              
           |  
         
           2.25 
            |  
         
           7.63% 
            |  
      
|  
           1996 
            |  
         
           31.75 
            |  
         
           30.875 
              
           |  
         
           -0.875 
            |  
         
           -2.76% 
            |  
      
|  
           1997 
            |  
         
           30.875 
            |  
         
           49.8125 
              
           |  
         
           18.9375 
            |  
         
           61.34% 
            |  
      
|  
           1998 
            |  
         
           49.8125 
            |  
         
           101.25* 
            |  
         
           51.4375 
            |  
         
           103.26% 
            |  
      
|  
           1999 
            |  
         
           67.50 
            |  
         
           71.0625* 
              
           |  
         
           3.5625 
            |  
         
           5.28% 
            |  
      
|  
           2000 
            |  
         
           47.375 
            |  
         
           35.575 
              
           |  
         
           -11.625 
            |  
         
           -24.54% 
            |  
      
|  
           2001 
            |  
         
           35.575 
            |  
         
           32.80 
                
             |  
         
           -2.95 
            |  
         
           -8.25% 
            |  
      
|  
           2002 
            |  
         
           32.80 
            |  
         
           29.38 
                
             |  
         
           -3.42 
            |  
         
           -10.43% 
            |  
      
|  
           2003 
            |  
         
           29.38 
            |  
         
           32.62 
              
           |  
         
           3.24 
            |  
         
           11.03% 
            |  
      
|  
           2004 
            |  
         
           32.62 
            |  
         
           35.47 
                
             |  
         
           2.85 
            |  
         
           8.74% 
            |  
      
|  
           2005 
            |  
         
           35.47 
            |  
         
           33.16 
            |  
         
           -2.31 
            |  
         
           -6.51% 
            |  
      
|  
           2006 
            |  
         
           33.16 
            |  
         
           43.66 
              
           |  
         
           10.50 
            |  
         
           31.66% 
            |  
      
|  
           2007 
            |  
         
           43.66 
            |  
         
           41.46 
            |  
         
           -2.20 
            |  
         
           -5.04% 
            |  
      
|  
           2008 
            |  
         
           41.46 
            |  
         
           27.33 
            |  
         
           -14.13 
            |  
         
           -34.08% 
            |  
      
|  
           2009 
            |  
         
           27.33 
            |  
         
           36.21 
            |  
         
           8.88 
            |  
         
           32.49% 
            |  
      
|  
           2010 
            |  
         
           36.21 
            |  
         
           46.17 
            |  
         
           9.96 
            |  
         
           27.51% 
            |  
      
|  
           2011 
            |  
         
           46.17 
            |  
         
           37.20 
            |  
         
           -8.97 
            |  
         
           -19.43% 
            |  
      
|  
           2012 
            |  
         
           37.20 
            |  
         
           39.12 
            |  
         
           1.92 
            |  
         
           5.16% 
            |  
      
|  
           2013 
            |  
         
           39.12 
            |  
         
           31.85 
            |  
         
           -7.27 
            |  
         
           -18.58% 
            |  
      
|  
           2014 
            |  
         
           31.85 
            |  
         
           39.58 
            |  
         
           7.73 
            |  
         
           24.27% 
            |  
      
|  
           2015 
            |  
        
           39.58 
            |  
         
           25.16 
            |  
         
           -14.42 
            |  
         
           -36.43% 
            |  
      
|  
           2016 
            |  
        
           25.16 
            |  
         
           23.78 
            |  
         
           -1.38 
            |  
         
           -5.48% 
            |  
      
|  
           2017 
            |  
        
           23.78 
            |  
         
           16.68 
            |  
         
           -7.10 
            |  
         
           -29.86% 
            |  
      
|  
           2018 
            |  
        
           16.68 
            |  
         
           15.15 
            |  
         
           -1.53 
            |  
         
           -9.17% 
            |  
      
|  
           2019 
            |  
        
           15.15 
            |  
         
           13.21 
            |  
         
           -1.94 
            |  
         
           -12.81% 
            |  
      
|  
           2020 
            |  
        
           13.21 
            |  
         
           9.75 
            |  
         
           -3.46 
            |  
         
           -26.19% 
            |  
      
|  
           2021 
            |  
        
           9.75 
            |  
         
           12.55 
            |  
         
           2.80 
            |  
         
           28.72% 
            |  
      
|  
           2022 
            |  
        
           12.55 
            |  
         
           5.22 
            |  
         
           -7.33 
            |  
         
           -58.41% 
            |  
      
|  
           2023 
            |  
        
           5.22 
            |  
         
           1.83 
            |  
         
           -3.39 
            |  
         
           -64.94% 
            |  
      
|  
           2024 
            |  
        
           1.83 
            |  
         
           5.31 
            |  
         
           3.48 
            |  
         
           190.16% 
            |