|  
                Year  
            |  
         
             Beginning Price  
            |  
         
             Ending Price  
            |  
         
             Gain or Loss 
            |  
         
             Percent Gain or Loss  
            |  
      
|  
           1993 
            |  
         
           19.25 
            |  
         
           25.50 
            |  
         
           6.25 
            |  
         
           32.47% 
            |  
      
|  
           1994 
            |  
         
           25.50 
            |  
         
           29.25 
            |  
         
           3.75 
            |  
         
           14.71% 
            |  
      
|  
           1995 
            |  
         
           29.25 
            |  
         
           36.75 
            |  
         
           7.50 
            |  
         
           25.64% 
            |  
      
|  
           1996 
            |  
         
           36.75 
            |  
         
           48.50 
            |  
         
           11.75 
            |  
         
           31.97% 
            |  
      
|  
           1997 
            |  
         
           48.50 
            |  
         
           49.75* 
            |  
         
           1.25 
            |  
         
           2.58% 
            |  
      
|  
           1998 
            |  
         
           24.875 
            |  
         
           19.25 
            |  
         
           -5.625 
            |  
         
           -22.61% 
            |  
      
|  
           1999 
            |  
         
           19.25 
            |  
         
           24.265625 
            |  
         
           5.015625 
            |  
         
           26.06% 
            |  
      
|  
           2000 
            |  
         
           24.265625 
            |  
         
           28.625 
            |  
         
           4.359375 
            |  
         
           17.97% 
            |  
      
|  
           2001 
            |  
         
           28.625 
            |  
         
           26.24 
            |  
         
           -2.385 
            |  
         
           -8.33% 
            |  
      
|  
           2002 
            |  
         
           26.24 
            |  
         
           16.86 
            |  
         
           -9.38 
            |  
         
           -35.75% 
            |  
      
|  
           2003 
            |  
         
           16.86 
            |  
         
           28.82 
            |  
         
           11.96 
            |  
         
           70.94% 
            |  
      
|  
           2004 
            |  
         
           28.82 
            |  
         
           34.16 
            |  
         
           5.34 
            |  
         
           18.53% 
            |  
      
|  
           2005 
            |  
         
           34.16 
            |  
         
           27.25 
            |  
         
           -6.91 
            |  
         
           -20.23% 
            |  
      
|  
           2006 
            |  
         
           27.25 
            |  
         
           31.88 
            |  
         
           4.63 
            |  
         
           16.99% 
            |  
      
|  
           2007 
            |  
         
           31.88 
            |  
         
           32.96 
            |  
         
           1.08 
            |  
         
           3.39% 
            |  
      
|  
           2008 
            |  
         
           32.96 
            |  
         
           16.60 
            |  
         
           -16.36 
            |  
         
           -49.64% 
            |  
      
|  
           2009 
            |  
         
           16.60 
            |  
         
           32.15 
            |  
         
           15.55 
            |  
         
           93.67% 
            |  
      
|  
           2010 
            |  
         
           32.15 
            |  
         
           47.06 
            |  
         
           14.91 
            |  
         
           46.38% 
            |  
      
|  
           2011 
            |  
         
           47.06 
            |  
         
           42.98 
            |  
         
           -4.08 
            |  
         
           -8.67% 
            |  
      
|  
           2012 
            |  
         
           42.98 
            |  
         
           61.71 
            |  
         
           18.73 
            |  
         
           43.58% 
            |  
      
|  
           2013 
            |  
         
           61.71 
            |  
         
           92.93 
            |  
         
           31.22 
            |  
         
           50.59% 
            |  
      
|  
           2014 
            |  
         
           92.93 
            |  
         
           96.67 
            |  
         
           3.74 
            |  
         
           4.02% 
            |  
      
|  
           2015 
            |  
        
           96.67 
            |  
         
           107.01 
            |  
         
           10.34 
            |  
         
           10.70% 
            |  
      
|  
           2016 
            |  
        
           107.01 
            |  
         
           151.77 
            |  
         
           44.76 
            |  
         
           41.83% 
            |  
      
|  
           2017 
            |  
        
           151.77 
            |  
         
           197.82 
            |  
         
           46.05 
            |  
         
           30.34% 
            |  
      
|  
           2018 
            |  
         
           197.82 
            |  
         
           171.48 
            |  
         
           -26.34 
            |  
         
           -13.32% 
            |  
      
|  
           2019 
            |  
         
           171.48 
            |  
         
           191.30 
            |  
         
           19.82 
            |  
         
           11.56% 
            |  
      
|  
           2020 
            |  
         
           191.30 
            |  
         
           254.66 
            |  
         
           63.36 
            |  
         
           33.12% 
            |  
      
|  
           2021 
            |  
         
           254.66 
            |  
         
           314.68 
            |  
         
           60.02 
            |  
         
           23.57% 
            |  
      
|  
           2022 
            |  
         
           314.68 
            |  
         
           220.20 
            |  
         
           -94.48 
            |  
         
           -30.02% 
            |  
      
|  
           2023 
            |  
         
           220.20 
            |  
         
           267.56 
            |  
         
           47.36 
            |  
         
           21.51% 
            |  
      
|  
           2024 
            |  
         
           267.56 
            |  
         
           235.65 
            |  
         
           -31.91 
            |  
         
           -11.93% 
            |