 
 
|      Year  
           |   Beginning Price  
           |   Ending Price  
           |   Gain or Loss 
           |   Percent Gain or Loss  
           | 
| 1993 
           | 29.25 
           | 58.50 
             | 29.25 
           | 100.00% 
           | 
| 1994 
           | 58.50 
           | 112.00* 
             | 53.50 
           | 91.45% 
           | 
| 1995 
           | 56.00 
           | 150.00* 
           | 94.00 
           | 167.86% 
           | 
| 1996 
           | 37.50 
           | 33.25 
           | -4.25 
           | -11.33% 
           | 
| 1997 
           | 33.25 
           | 90.50 
           | 57.25 
           | 172.18% 
           | 
| 1998 
           | 90.50 
           | 620.50* 
           | 530.00 
           | 585.64% 
           | 
| 1999 
           | 155.125 
           | 303.50* 
             | 148.375 
           | 95.65% 
           | 
| 2000 
           | 75.875 
           | 34.80 
           | -41.075 
           | -54.14% 
           | 
| 2001 
           | 34.80 
           | 32.10 
             | -2.70 
           | -7.76% 
           | 
| 2002 
           | 32.10 
           | 13.10 
             | -19.00 
           | -59.19% 
           | 
| 2003 
           | 13.10 
           | 17.99 
           | 4.89 
           | 37.33% 
           | 
| 2004 
           | 17.99 
           | 19.45 
             | 1.46 
           | 8.12% 
           | 
| 2005 
           | 19.45 
           | 17.44 
           | -2.01 
           | -10.33% 
           | 
| 2006 
           | 17.44 
           | 21.78 
             | 4.34 
           | 24.89% 
           | 
| 2007 
           | 21.78 
           | 16.51 
           | -5.27 
           | -24.20% 
           | 
| 2008 
           | 16.51 
           | 10.06 
           | -6.45 
           | -39.07% 
           | 
| 2009 
           | 10.06 
           | 9.71* 
             | -0.35 
           | -3.48% 
           | 
| 2010 
           | 29.14 
           | 32.17 
             | 3.03 
           | 10.40% 
           | 
| 2011 
           | 32.17 
           | 36.14 
             | 3.97 
           | 12.34% 
           | 
| 2012 
           | 36.14 
           | 47.83 
             | 11.69 
           | 32.35% 
           | 
| 2013 
           | 47.83 
           | 69.72 
             | 21.89 
           | 45.77% 
           | 
| 2014 
           | 69.72 
           | 88.49625* 
           | 18.77625 
           | 26.93% 
           | 
| 2015 
           | 85.42 
           | 64.67 
           | -20.75 
           | -24.29% 
           | 
| 2016 
           | 64.67 
           | 96.53 
           | 31.86 
           | 49.27% 
           | 
| 2017 
           | 96.53 
           | 91.47 
           | -5.06 
           | -5.24% 
           | 
| 2018 
           | 91.47 
           | 93.706* 
           | 2.236 
           | 2.44% 
           |