 
 
|      Year  
           |   Beginning Price  
           |   Ending Price  
           |   Gain or Loss 
           |   Percent Gain or Loss  
           | 
| 1975 
           | 6.25 
           | 8.375 
           | 2.125 
           | 34.00% 
           | 
| 1976 
           | 8.375 
           | 17.375 
           | 9.00 
           | 107.46% 
           | 
| 1977 
           | 17.375 
           | 24.125 
           | 6.75 
               | 38.85% 
           | 
| 1978 
           | 24.125 
           | 32.00* 
           | 7.875 
           | 32.64% 
           | 
| 1979 
           | 16.00 
           | 30.0625 
               | 14.0625 
           | 87.89% 
           | 
| 1980 
           | 30.0625 
           | 44.25* 
               |   14.1875 
           | 47.19% 
           | 
| 1981 
           | 22.125 
           | 29.625* 
               | 7.50 
               | 33.90% 
           | 
| 1982 
           | 19.75 
           | 29.875 
               | 10.125 
           | 51.27% 
           | 
| 1983 
           | 29.875 
           | 30.75 
               | 0.875 
           | 2.93% 
           | 
| 1984 
           | 30.75 
           | 27.75 
           | -3.00 
           | -9.76% 
           | 
| 1985 
           | 27.75 
           | 40.375 
           | 12.625 
           | 45.50% 
           | 
| 1986 
           | 40.375 
           | 47.00* 
           | 6.625 
           | 16.41% 
           | 
| 1987 
           | 23.50 
           | 22.50 
           | -1.00 
           | -4.26% 
           | 
| 1988 
           | 22.50 
           | 29.50 
           | 7.00 
           | 31.11% 
           | 
| 1989 
           | 29.50 
           | 31.375 
           | 1.875 
           | 6.36% 
           | 
| 1990 
           | 31.375 
           | 32.875 
           | 1.50 
           | 4.78% 
           | 
| 1991 
           | 32.875 
           | 49.50* 
           | 16.625 
           | 50.57% 
           | 
| 1992 
           | 33.00 
           | 31.00 
           | -2.00 
           | -6.06% 
           | 
| 1993 
           | 31.00 
           | 37.00 
           | 6.00 
           | 19.35% 
           | 
| 1994 
           | 37.00 
           | 35.50 
           | -1.50 
           | -4.05% 
           | 
| 1995 
           | 35.50 
           | 41.00 
           | 5.50 
           | 15.49% 
           | 
| 1996 
           | 41.00 
           | 52.125 
           | 11.125 
           | 27.13% 
           | 
| 1997 
           | 52.125 
           | 75.50* 
           | 23.375 
           | 44.84% 
           | 
| 1998 
           | 37.75 
           | 45.625 
           | 7.875 
           | 20.86% 
           | 
| 1999 
           | 45.625 
           | 31.3125 
           | -14.3125 
           | -31.37% 
           | 
| 2000 
           | 31.3125 
           | 44.1875 
           | 12.875 
           | 41.12% 
           | 
| 2001 
           | 44.1875 
           | 47.31 
           | 3.1225 
           | 7.07% 
           | 
| 2002 
           | 47.31 
           | 42.89 
           | -4.42 
           | -9.34% 
           | 
| 2003 
           | 42.89 
           | 48.33 
           | 5.44 
           | 12.68% 
           | 
| 2004 
           | 48.33 
           | 51.94 
           | 3.61 
           | 7.47% 
           | 
| 2005 
           | 51.94 
           | 64.98 
           | 13.04 
               | 25.11% 
           | 
| 2006 
           | 64.98 
           | 64.56 
           | -0.42 
           | -0.65% 
           | 
| 2007 
           | 64.56 
           | 63.01 
           | -1.55 
           | -2.40% 
           | 
| 2008 
           | 63.01 
           | 50.10 
           | -12.91 | -20.49% 
           | 
| 2009 
           | 50.10 
           | 53.89 
           | 3.79 
           | 7.56% 
           | 
| 2010 
           | 53.89 
           | 53.81 
           | -0.08 
           | -0.15% 
           | 
| 2011 
           | 53.81 
           | 61.29 
           | 7.48 
           | 13.90% 
           | 
| 2012 
           | 61.29 
           | 71.31 
           | 10.02 
           | 16.35% 
           | 
| 2013 
           | 71.31 
           | 93.86 
           | 22.55 
           | 31.62% 
           | 
| 2014 
           | 93.86 
           | 114.82 
           | 20.96 
           | 22.33% 
           | 
| 2015 
           | 114.82 
           | 131.45 
           | 16.63 
           | 14.48% 
           | 
| 2016 
           | 131.45 
           | 161.15 
           | 29.70 
           | 22.59% 
           | 
| 2017 
           | 161.15 
           | 248.82 
           | 87.67 
           | 54.40% 
           | 
| 2018 
           | 248.82 
           | 258.48 
           | 9.66 
           | 3.88% 
           | 
| 2019 
           | 258.48 
           | 376.44 
           | 117.96 
           | 45.64% 
           | 
| 2020 
           | 376.44 
           | 411.57 
           | 35.13 
           | 9.33% 
           | 
| 2021 
           | 411.57 
           | 328.48 
           | -83.09 
           | -20.19% 
           | 
| 2022 
           | 328.48 
           | 249.63 
           | -78.85 
           | -24.00% 
           | 
| 2023 
           | 249.63 
           | 249.34 
           | -0.29 
           | -0.12% 
           | 
| 2024 
           | 249.34 
           | 177.98 
           | -71.36 
           | -28.62% 
           |