 
 
|      Year  
           |   Beginning Price  
           |   Ending Price  
           |   Gain or Loss 
           |   Percent Gain or Loss  
           | 
| 1987 
           | 3.25 
           | 0.875 
           | -2.375 
           | -73.08% 
           | 
| 1988 
           | 0.875 
           | 0.75 
           | -0.125 
           | -14.29% 
           | 
| 1989 
           | 0.75 
           | 0.4375 
           | -0.3125 
           | -41.67% 
           | 
| 1990 
           | 0.4375 
           | 1.25 
           | 0.8125 
           | 185.71% 
           | 
| 1991 
           | 1.25 
           | 2.5625* 
           | 1.3125 
           | 105.00% 
           | 
| 1992 
           | 10.25 
           | 8.25 
           | -2.00 
           | -19.51% 
           | 
| 1993 
           | 8.25 
           | 6.25 
           | -2.00 
           | -24.24% 
           | 
| 1994 
           | 6.25 
           | 3.00 
           | -3.25 
           | -52.00% 
           | 
| 1995 
           | 3.00 
           | 2.75 
           | -0.25 
           | -8.33% 
           | 
| 1996 
           | 2.75 
           | 6.50 
               | 3.75 
           | 136.36% 
           | 
| 1997 
           | 6.50 
           | 12.875 
               | 6.375 
           | 98.08% 
           | 
| 1998 
           | 12.875 
           | 22.50 
           | 9.625 
           | 74.76% 
           | 
| 1999 
           | 22.50 
           | 10.00 
           | -12.50 
           | -55.56% 
           | 
| 2000 
           | 10.00 
           | 1.3125 
           | -8.6875 
           | -86.88% 
           | 
| 2001 
           | 1.3125 
           | 6.00 
           | 4.6875 
           | 357.14% 
           | 
| 2002 
           | 6.00 
           | 13.15 
           | 7.15 
           | 119.17% 
           | 
| 2003 
           | 13.15 
           | 15.57 
           | 2.42 
           | 18.40% 
           | 
| 2004 
           | 15.57 
           | 8.10 
           | -7.47 
           | -47.98% 
           | 
| 2005 
           | 8.10 
           | 5.71 
           | -2.39 
           | -29.51% 
           | 
| 2006 
           | 5.71 
           | 7.53 
           | 1.82 
           | 31.87% 
             | 
| 2007 
           | 7.53 
           | 11.01 
           | 3.48 
           | 46.22% 
           | 
| 2008 
           | 11.01 
           | 14.51 
           | 3.50 
               | 31.79% 
           | 
| 2009 
           | 14.51 
           | 13.83 
           | -0.68 
           | -4.69% 
           | 
| 2010 
           | 13.83 
           | 21.19 
           | 7.36 
           | 53.22% 
           | 
| 2011 
           | 21.19 
           | 18.69 
           | -2.50 
           | -11.80% 
           | 
| 2012 
           | 18.69 
           | 27.36 
           | 8.67 
           | 46.39% 
           | 
| 2013 
           | 27.36 
           | 39.34 
           | 11.98 
           | 43.79% 
           | 
| 2014 
           | 39.34 
           | 21.90 
           | -17.44 
           | -44.33% 
           | 
| 2015 
           | 21.90 
           | 16.45 
           | -5.45 
           | -24.89% 
           | 
| 2016 
           | 16.45 
           | 11.4993 
           | -4.9507 
           | -30.10% 
           | 
| 2017 
           | 11.4993 
           | 15.75 
           | 4.2507 
           | 36.96% 
           | 
| 2018 
           | 15.75 
           | 18.95 
           | 3.20 
           | 20.32% 
           | 
| 2019 
           | 18.95 
           | 27.61 
           | 8.66 
           | 45.70% 
           | 
| 2020 
           | 27.61 
           | 21.99 
           | -5.62 
           | -20.35% 
           | 
| 2021 
           | 21.99 
           | 18.13 
           | -3.86 
           | -17.55% 
           | 
| 2022 
           | 18.13 
           | 18.75* 
           | 0.62 
           | 3.42% 
           |