 
 
|      Year  
           |   Beginning Price  
           |   Ending Price  
           |   Gain or Loss 
           |   Percent Gain or Loss  
           | 
| 1993 
           | 17.00 
           | 48.9375* 
           | 31.9375 
           | 187.87% 
           | 
| 1994 
           | 32.625 
           | 22.50 
           | -10.125 
           | -31.03% 
           | 
| 1995 
           | 22.50 
           | 38.625* 
           | 16.125 
           | 71.67% 
           | 
| 1996 
           | 25.75 
           | 24.50 
           | -1.25 
           | -4.85% 
           | 
| 1997 
           | 24.50 
           | 34.75 
             | 10.25 
           | 41.84% 
           | 
| 1998 
           | 34.75 
           | 47.625* 
             | 12.875 
           | 37.05% 
           | 
| 1999 
           | 31.75 
           | 29.375 
             | -2.375 
           | -7.48% 
           | 
| 2000 
           | 29.375 
           | 27.25 
           | -2.125 
           | -7.23% 
           | 
| 2001 
           | 27.25 
           | 20.65 
           | -6.60 
           | -24.22% 
           | 
| 2002 
           | 20.65 
           | 17.15 
             | -3.50 
           | -16.95% 
           | 
| 2003 
           | 17.15 
           | 25.01 
             | 7.86 
           | 45.83% 
           | 
| 2004 
           | 25.01 
           | 31.96 
             | 6.95 
           | 27.79% 
           | 
| 2005 
           | 31.96 
           | 44.16* 
             | 12.20 
           | 38.17% 
           | 
| 2006 
           | 29.44 
           | 38.26 
             | 8.82 
           | 29.96% 
           | 
| 2007 
           | 38.26 
           | 26.98 
           | -11.28 
           | -29.48% 
           | 
| 2008 
           | 26.98 
           | 13.54 
           | -13.44 
           | -49.81% 
           | 
| 2009 
           | 13.54 
           | 21.06 
           | 7.52 
           | 55.54% 
           | 
| 2010 
           | 21.06 
           | 24.98 
           | 3.92 
           | 18.61% 
           | 
| 2011 
           | 24.98 
           | 32.41 
           | 7.43 
           | 29.74% 
           | 
| 2012 
           | 32.41 
           | 31.16 
           | -1.25 
           | -3.86% 
           | 
| 2013 
           | 31.16 
           | 51.08 
           | 19.92 
           | 63.93% 
           | 
| 2014 
           | 51.08 
           | 44.15 
           | -6.93 
           | -13.57% 
           | 
| 2015 
           | 44.15 
           | 14.68 
           | -29.47 
           | -66.75% 
           | 
| 2016 
           | 14.68 
           | 25.55 
           | 10.87 
           | 74.05% 
           | 
| 2017 
           | 25.55 
           | 21.83 
           | -3.72 
           | -14.56% 
           | 
| 2018 
           | 21.83 
           | 13.64 
           | -8.19 
           | -37.52% 
           | 
| 2019 
           | 13.64 
           | 4.14 
           | -9.50 
           | -69.65% 
           | 
| 2020 
           | 4.14 
           | 0* 
           | -4.14 
           | -100.00% 
           |