|  
                Year  
            |  
         
             Beginning Price  
            |  
         
             Ending Price  
            |  
         
             Gain or Loss 
            |  
         
             Percent Gain or Loss  
            |  
      
|  
           1985 
            |  
         
           8.25 
            |  
         
           10.125 
              
           |  
         
           1.875 
            |  
         
           22.73% 
            |  
      
|  
           1986 
            |  
         
           10.125 
            |  
         
           4.50 
              
           |  
         
           -5.625 
            |  
         
           -55.56% 
            |  
      
|  
           1987 
            |  
         
           4.50 
            |  
         
           7.125 
              
           |  
         
           2.625 
            |  
         
           58.33% 
            |  
      
|  
           1988 
            |  
         
           7.125 
            |  
         
           8.00 
              
           |  
         
           0.875 
            |  
         
           12.28% 
            |  
      
|  
           1989 
            |  
         
           8.00 
            |  
         
           5.375 
              
           |  
         
           -2.625 
            |  
         
           -32.81% 
            |  
      
|  
           1990 
            |  
         
           5.375 
            |  
         
           4.875 
              
           |  
         
           -0.50 
            |  
         
           -9.30% 
            |  
      
|  
           1991 
            |  
         
           4.875 
            |  
         
           12.50 
              
           |  
         
              7.625 
            |  
         
           156.41% 
            |  
      
|  
           1992 
            |  
         
           12.50 
            |  
         
           20.875 
              
           |  
         
             8.375 
            |  
         
           67.00% 
            |  
      
|  
           1993 
            |  
         
           20.875 
            |  
         
           48.75* 
              
           |  
         
           27.875 
            |  
         
           133.53% 
            |  
      
|  
           1994 
            |  
         
           32.50 
            |  
         
           37.25 
              
           |  
         
           4.75 
            |  
         
           14.62% 
            |  
      
|  
           1995 
            |  
         
           37.25 
            |  
         
           45.75 
            |  
         
           8.50 
            |  
         
           22.82% 
            |  
      
|  
           1996 
            |  
         
           45.75 
            |  
         
           28.125 
            |  
         
           -17.625 
            |  
         
           -38.52% 
            |  
      
|  
           1997 
            |  
         
           28.125 
            |  
         
           29.25 
            |  
         
           1.125 
            |  
         
           4.00% 
            |  
      
|  
           1998 
            |  
         
           29.25 
            |  
         
           17.8125 
            |  
         
           -11.4375 
            |  
         
           -39.10% 
            |  
      
|  
           1999 
            |  
         
           17.8125 
            |  
         
           111.5625 
              
           |  
         
           93.75 
            |  
         
           526.32% 
            |  
      
|  
           2000 
            |  
         
           111.5625 
            |  
         
           43.50* 
            |  
         
           -68.0625 
            |  
         
           -61.01% 
            |  
      
|  
           2001 
            |  
         
           14.50 
            |  
         
           23.22 
              
           |  
         
           8.72 
            |  
         
           60.14% 
            |  
      
|  
           2002 
            |  
         
           23.22 
            |  
         
           10.80 
              
           |  
         
           -12.42 
            |  
         
           -53.49% 
            |  
      
|  
           2003 
            |  
         
           10.80 
            |  
         
           32.30 
            |  
         
           21.50 
            |  
         
           199.07% 
            |  
      
|  
           2004 
            |  
         
           32.30 
            |  
         
           28.91 
              
           |  
         
           -3.39 
            |  
         
           -10.50% 
            |  
      
|  
           2005 
            |  
         
           28.91 
            |  
         
           35.68 
            |  
         
           6.77 
            |  
         
           23.42% 
            |  
      
|  
           2006 
            |  
         
           35.68 
            |  
         
           50.62 
              
           |  
         
           14.94 
            |  
         
           41.87% 
            |  
      
|  
           2007 
            |  
         
           50.62 
            |  
         
           43.23 
            |  
         
           -7.39 
            |  
         
           -14.60% 
            |  
      
|  
           2008 
            |  
         
           43.23 
            |  
         
           21.28 
            |  
         
           -21.95 
            |  
         
           -50.77% 
            |  
      
|  
           2009 
            |  
         
           21.28 
            |  
         
           39.21 
              
           |  
         
           17.93 
            |  
         
           84.26% 
            |  
      
|  
           2010 
            |  
         
           39.21 
            |  
         
           51.78 
              
           |  
         
           12.57 
            |  
         
           32.06% 
            |  
      
|  
           2011 
            |  
         
           51.78 
            |  
         
           37.02 
              
           |  
         
           -14.76 
            |  
         
           -28.51% 
            |  
      
|  
           2012 
            |  
         
           37.02 
            |  
         
           36.13 
              
           |  
         
           -0.89 
            |  
         
           -2.40% 
            |  
      
|  
           2013 
            |  
         
           36.13 
            |  
         
           54.45 
              
           |  
         
           18.32 
            |  
         
           50.71% 
            |  
      
|  
           2014 
            |  
         
           54.45 
            |  
         
           79.34 
            |  
         
           24.89 
            |  
         
           45.71% 
            |  
      
|  
           2015 
            |  
         
           79.34 
            |  
         
           79.42 
            |  
         
           0.08 
            |  
         
           0.10% 
            |  
      
|  
           2016 
            |  
         
           79.42 
            |  
         
           105.73 
            |  
         
           26.31 
            |  
         
           33.13% 
            |  
      
|  
           2017 
            |  
         
           105.73 
            |  
         
           184.07 
            |  
         
           78.34 
            |  
         
           74.09% 
            |  
      
|  
           2018 
            |  
         
           184.07 
            |  
         
           136.17 
              
           |  
         
           -47.90 
            |  
         
           -26.02% 
            |  
      
|  
           2019 
            |  
         
           136.17 
            |  
         
           292.40 
              
           |  
         
           156.23 
            |  
         
           114.73% 
            |  
      
|  
           2020 
            |  
         
           292.40 
            |  
         
           472.27 
              
           |  
         
           179.87 
            |  
         
           61.52% 
            |  
      
|  
           2021 
            |  
         
           472.27 
            |  
         
           719.15 
              
           |  
         
           246.88 
            |  
         
           52.28% 
            |  
      
|  
           2022 
            |  
         
           719.15 
            |  
         
           420.30 
              
           |  
         
           -298.85 
            |  
         
           -41.56% 
            |  
      
|  
           2023 
            |  
         
           420.30 
            |  
         
           783.26 
              
           |  
         
           362.96 
            |  
         
           86.36% 
            |  
      
|  
           2024 
            |  
         
           783.26 
            |  
         
           722.30* 
              
           |  
         
           -60.96 
            |  
         
           -7.78% 
            |