 
 
|      Year  
           |   Beginning Price  
           |   Ending Price  
           |   Gain or Loss 
           |   Percent Gain or Loss  
           | 
| 1987 
           | 10.50 
           | 13.00 
             | 2.50 
           | 23.81% 
           | 
| 1988 
           | 13.00 
           | 25.375 
             | 12.375 
           | 95.19% 
           | 
| 1989 
           | 25.375 
           | 39.25 
             | 13.875 
           | 54.68% 
           | 
| 1990 
           | 39.25 
           | 38.50* 
             | -0.75 
           | -1.91% 
           | 
| 1991 
           | 19.25 
           | 44.75 
             | 25.50 
           | 132.47% 
           | 
| 1992 
           | 44.75 
           | 75.25* 
             | 30.50 
           | 68.16% 
           | 
| 1993 
           | 37.625 
           | 44.125 
             | 6.50 
           | 17.28% 
           | 
| 1994 
           | 44.125 
           | 56.00* 
             | 11.875 
           | 26.91% 
           | 
| 1995 
           | 28.00 
           | 28.75 
           | 0.75 
           | 2.68% 
           | 
| 1996 
           | 28.75 
           | 47.00 
           | 18.25 
           | 63.48% 
           | 
| 1997 
           | 47.00 
           | 54.50* 
           | 7.50 
           | 15.96% 
           | 
| 1998 
           | 27.25 
           | 47.375 
           | 20.125 
           | 73.85% 
           | 
| 1999 
           | 47.375 
           | 64.0625 
             | 16.6875 
           | 35.22% 
           | 
| 2000 
           | 64.0625 
           | 79.50* 
           | 15.4375 
           | 24.10% 
           | 
| 2001 
           | 39.75 
           | 54.31 
             | 14.56 
           | 36.63% 
           | 
| 2002 
           | 54.31 
           | 46.20 
             | -8.11 
           | -14.93% 
           | 
| 2003 
           | 46.20 
           | 47.53 
           | 1.33 
           | 2.88% 
           | 
| 2004 
           | 47.53 
           | 60.75 
             | 13.22 
           | 27.81% 
           | 
| 2005 
           | 60.75 
           | 51.49 
           | -9.26 
           | -15.24% 
           | 
| 2006 
           | 51.49 
           | 70.47 
             | 18.98 
           | 36.86% 
           | 
| 2007 
           | 70.47 
           | 46.71 
           | -23.76 
           | -50.87% 
               | 
| 2008 
           | 46.71 
           | 16.97 
           | -29.74 
           | -63.67% 
               | 
| 2009 
           | 16.97 
           | 25.20 
             | 8.23 
           | 48.50% 
           | 
| 2010 
           | 25.20 
           | 34.67 
             | 9.47 
           | 37.58% 
           | 
| 2011 
           | 34.67 
           | 38.87 
             | 4.20 
           | 12.11% 
           | 
| 2012 
           | 38.87 
           | 48.83 
             | 9.96 
           | 25.62% 
           | 
| 2013 
           | 48.83 
           | 69.24 
             | 20.41 
           | 41.80% 
           | 
| 2014 
           | 69.24 
           | 65.91 
           | -3.33 
           | -4.81% 
           | 
| 2015 
           | 65.91 
           | 45.39 
           | -20.52 
           | -31.13% 
           | 
| 2016 
           | 45.39 
           | 58.34 
             | 12.95 
           | 28.53% 
           | 
| 2017 
           | 58.34 
           | 50.88 
           | -7.46 
           | -12.79% 
           | 
| 2018 
           | 50.88 
           | 34.12 
           | -16.76 
           | -32.94% 
           | 
| 2019 
           | 34.12 
           | 37.19 
           | 3.07 
           | 9.00% 
           | 
| 2020 
           | 37.19 
           | 36.70 
           | -0.49 
           | -1.32% 
           | 
| 2021 
           | 36.70 
           | 37.69 
           | 0.99 
           | 2.70% 
           | 
| 2022 
           | 37.69 
           | 41.60 
           | 3.91 
           | 10.37% 
           | 
| 2023 
           | 41.60 
           | 36.84 
           | -4.76 
           | -11.44% 
           | 
| 2024 
           | 36.84 
           | 30.13 
           | -6.71 
           | -18.21% 
           |