|  
                Year  
            |  
         
             Beginning Price  
            |  
         
             Ending Price  
            |  
         
             Gain or Loss 
            |  
         
             Percent Gain or Loss  
            |  
      
|  
           1999 
            |  
         
           43.125 
            |  
         
           81.875 
            |  
         
           38.75 
            |  
         
           89.86% 
            |  
      
|  
           2000 
            |  
         
           81.875 
            |  
         
           32.8125 
            |  
         
           -49.0625 
            |  
         
           -59.92% 
            |  
      
|  
           2001 
            |  
         
           32.8125 
            |  
         
           5.00 
            |  
         
           -27.8125 
            |  
         
           -84.76% 
            |  
      
|  
           2002 
            |  
         
           5.00 
            |  
         
           4.90 
            |  
         
           -0.10 
            |  
         
           -2.00% 
            |  
      
|  
           2003 
            |  
         
           4.90 
            |  
         
           5.70 
            |  
         
           0.80 
            |  
         
           16.33% 
            |  
      
|  
           2004 
            |  
         
           5.70 
            |  
         
           3.39 
            |  
         
           -2.31 
            |  
         
           -40.53% 
            |  
      
|  
           2005 
            |  
         
           3.39 
            |  
         
           2.87 
            |  
         
           -0.52 
            |  
         
           -15.34% 
            |  
      
|  
           2006 
            |  
         
           2.87 
            |  
         
           5.60 
            |  
         
           2.73 
            |  
         
           95.12% 
            |  
      
|  
           2007 
            |  
         
           5.60 
            |  
         
           3.04 
            |  
         
           -2.56 
            |  
         
           -45.71% 
            |  
      
|  
           2008 
            |  
         
           3.04 
            |  
         
           0.70 
            |  
         
           -2.34 
            |  
         
           -76.97% 
            |  
      
|  
           2009 
            |  
         
           0.70 
            |  
         
           1.53 
            |  
         
           0.83 
            |  
         
           118.57% 
            |  
      
|  
           2010 
            |  
         
           1.53 
            |  
         
           0.98 
            |  
         
           -0.55 
            |  
         
           -35.95% 
            |  
      
|  
           2011 
            |  
         
           0.98 
            |  
         
           1.1327* 
            |  
         
           0.1527 
            |  
         
           15.58% 
            |  
      
|  
           2012 
            |  
         
           16.99 
            |  
         
           23.11 
            |  
         
           6.12 
            |  
         
           36.02% 
            |  
      
|  
           2013 
            |  
         
           23.11 
            |  
         
           33.17 
            |  
         
           10.06 
            |  
         
           43.53% 
            |  
      
|  
           2014 
            |  
         
           33.17 
            |  
         
           49.38 
            |  
         
           16.21 
            |  
         
           48.87% 
            |  
      
|  
           2015 
            |  
        
           49.38 
            |  
         
           54.36 
            |  
         
           4.98 
            |  
         
           10.09% 
            |  
      
|  
           2016 
            |  
        
           54.36 
            |  
         
           56.36 
            |  
         
           2.00 
            |  
         
           3.68% 
            |  
      
|  
           2017 
            |  
        
           56.36 
            |  
         
           50.32905 
            |  
         
           -6.03095 
            |  
         
           -10.70% 
            |