 
 
|      Year  
           |   Beginning Price  
           |   Ending Price  
           |   Gain or Loss 
           |   Percent Gain or Loss  
           | 
| 1987 
           | 10.50 
           | 9.50 
               | -1.00 
           | -9.52% 
           | 
| 1988 
           | 9.50 
           | 11.875 
           | 2.375 
           | 25.00% 
           | 
| 1989 
           | 11.875 
           | 12.625 
           | 0.75 
           | 6.32% 
           | 
| 1990 
           | 12.625 
           | 10.875 
           | -1.75 
           | -13.86% 
           | 
| 1991 
           | 10.875 
           | 18.00 
               | 7.125 
           | 65.52% 
           | 
| 1992 
           | 18.00 
           | 15.25 
           | -2.75 
           | -15.28% 
           | 
| 1993 
           | 15.25 
           | 16.625 
           | 1.375 
           | 9.02% 
           | 
| 1994 
           | 16.625 
           | 16.375 
           | -0.25 
           | -1.50% 
           | 
| 1995 
           | 16.375 
           | 17.875 
           | 1.50 
           | 9.16% 
           | 
| 1996 
           | 17.875 
           | 20.50 
           | 2.625 
           | 14.69% 
           | 
| 1997 
           | 20.50 
           | 21.875 
           | 1.375 
           | 6.71% 
           | 
| 1998 
           | 21.875 
           | 19.625 
           | -2.25 
           | -10.29% 
           | 
| 1999 
           | 19.625 
           | 14.625 
           | -5.00 
           | -25.48% 
           | 
| 2000 
           | 14.625 
           | 19.875 
           | 5.25 
           | 35.90% 
           | 
| 2001 
           | 19.875 
           | 23.50 
           | 3.625 
           | 18.24% 
           | 
| 2002 
           | 23.50 
           | 26.25 
           | 2.75 
           | 11.70% 
           | 
| 2003 
           | 26.25 
           | 30.10 
           | 3.85 
           | 14.67% 
           | 
| 2004 
           | 30.10 
           | 32.13 
           | 2.03 
           | 6.74% 
           | 
| 2005 
           | 32.13 
           | 31.34 
           | -0.79 
           | -2.46% 
           | 
| 2006 
           | 31.34 
           | 38.98 
           | 7.64 
           | 24.38% 
           | 
| 2007 
           | 38.98 
           | 35.44 
           | -3.54 
           | -9.08% 
           | 
| 2008 
           | 35.44 
           | 32.91 
           | -2.53 
           | -7.14% 
           | 
| 2009 
           | 32.91 
           | 32.03 
           | -0.88 
           | -2.67% 
           | 
| 2010 
           | 32.03 
           | 36.53 
           | 4.50 
           | 14.05% 
           | 
| 2011 
           | 36.53 
           | 39.00 
           | 2.47 
           | 6.76% 
           | 
| 2012 
           | 39.00 
           | 50.61 
           | 11.61 
           | 29.77% 
           | 
| 2013 
           | 50.61 
           | 40.06 
           | -10.55 
           | -20.85% 
           | 
| 2014 
           | 40.06 
           | 48.12 
           | 8.06 
           | 20.12% 
           | 
| 2015 
           | 48.12 
           | 50.01 
           | 1.89 
           | 3.93% 
           | 
| 2016 
           | 50.01 
           | 65.59 
           | 15.58 
           | 31.15% 
           | 
| 2017 
           | 65.59 
           | 75.11 
           | 9.52 
           | 14.51% 
           | 
| 2018 
           | 75.11 
           | 61.37 
           | -13.74 
           | -18.29% 
           | 
| 2019 
           | 61.37 
           | 117.36 
           | 55.99 
           | 91.23% 
           | 
| 2020 
           | 117.36 
           | 64.27 
           | -53.09 
           | -45.24% 
           | 
| 2021 
           | 64.27 
           | 59.47 
           | -4.80 
           | -7.47% 
           | 
| 2022 
           | 59.47 
           | 47.73 
           | -11.74 
           | -19.74% 
           | 
| 2023 
           | 47.73 
           | 43.25 
           | -4.48 
           | -9.39% 
           | 
| 2024 
           | 43.25 
           | 37.21 
           | -6.04 
           | -13.97% 
           |