 
 
|      Year  
           |   Beginning Price  
           |   Ending Price  
           |   Gain or Loss 
           |   Percent Gain or Loss  
           | 
| 1975 
           | 15.75 
           | 16.75 
             | 1.00 
           | 6.35% 
           | 
| 1976 
           | 16.75 
           | 31.75 
             | 15.00 
           | 89.55% 
           | 
| 1977 
           | 31.75 
           | 27.75 
             | -4.00 
           | -12.60% 
           | 
| 1978 
           | 27.75 
           | 28.125 
             | 0.375 
           | 1.35% 
           | 
| 1979 
           | 28.125 
           | 48.75 
             | 20.625 
           | 73.33% 
           | 
| 1980 
           | 48.75 
           | 86.75* 
             | 38.00 
           | 77.95% 
           | 
| 1981 
           | 43.375 
           | 24.125 
             | -19.25 
           | -44.38% 
           | 
| 1982 
           | 24.125 
           | 25.00 
             | 0.875 
           | 3.63% 
           | 
| 1983 
           | 25.00 
           | 29.00 
             | 4.00 
           | 16.00% 
           | 
| 1984 
           | 29.00 
           | 24.375 
             | -4.625 
           | -15.95% 
           | 
| 1985 
           | 24.375 
           | 27.25 
             | 2.875 
           | 11.79% 
           | 
| 1986 
           | 27.25 
           | 23.75 
             | -3.50 
           | -12.84% 
           | 
| 1987 
           | 23.75 
           | 24.875 
             | 1.125 
           | 4.74% 
           | 
| 1988 
           | 24.875 
           | 31.50 
             | 6.625 
           | 26.63% 
           | 
| 1989 
           | 31.50 
           | 48.75 
             | 17.25 
           | 54.76% 
           | 
| 1990 
           | 48.75 
           | 46.375 
             | -2.375 
           | -4.87% 
           | 
| 1991 
           | 46.375 
           | 47.50 
             | 1.125 
           | 2.43% 
           | 
| 1992 
           | 47.50 
           | 46.00 
             | -1.50 
           | -3.16% 
           | 
| 1993 
           | 46.00 
           | 45.125 
             | -0.875 
           | -1.90% 
           | 
| 1994 
           | 45.125 
           | 45.625 
             | 0.50 
           | 1.11% 
           | 
| 1995 
           | 45.625 
           | 53.00 
           | 7.375 
           | 16.16% 
           | 
| 1996 
           | 53.00 
           | 57.875 
           | 4.875 
           | 9.20% 
           | 
| 1997 
           | 57.875 
           | 54.875 
           | -3.00 
           | -5.18% 
           | 
| 1998 
           | 54.875 
           | 49.75 
           | -5.125 
           | -9.34% 
           | 
| 1999 
           | 49.75 
           | 56.75 
             | 7.00 
           | 14.07% 
           | 
| 2000 
           | 56.75 
           | 73.0625 
           | 16.3125 
           | 28.74% 
           | 
| 2001 
           | 73.0625 
           | 62.50 
             | -10.5625 
           | -14.46% 
           | 
| 2002 
           | 62.50 
           | 55.05 
             | -7.45 
           | -11.92% 
           | 
| 2003 
           | 55.05 
           | 53.17 
           | -1.88 
           | -3.42% 
           | 
| 2004 
           | 53.17 
           | 82.38 
             | 29.21 
           | 54.94% 
           | 
| 2005 
           | 82.38 
           | 126.82 
           | 44.44 
           | 53.95% 
           | 
| 2006 
           | 126.82 
           | 148.71* 
             | 21.89 
           | 17.26% 
           | 
| 2007 
           | 49.57 
           | 100.86 
           | 51.29 
           | 103.47% 
           | 
| 2008 
           | 100.86 
           | 53.64 
           | -47.22 
           | -46.82% 
           | 
| 2009 
           | 53.64 
           | 60.50 
           | 6.86 
           | 12.79% 
           | 
| 2010 
           | 60.50 
           | 76.54 
           | 16.04 
           | 26.51% 
           | 
| 2011 
           | 76.54 
           | 56.80 
           | -19.74 
           | -25.79% 
           | 
| 2012 
           | 56.80 
           | 52.96 
           | -3.84 
           | -6.76% 
           | 
| 2013 
           | 52.96 
           | 83.00 
           | 30.04 
           | 56.72% 
           | 
| 2014 
           | 83.00 
           | 73.82 
           | -9.18 
           | -11.06% 
           | 
| 2015 
           | 73.82 
           | 48.48 
           | -25.34 
           | -34.33% 
           | 
| 2016 
           | 48.48 
           | 62.29 
           | 13.81 
           | 28.49% 
           | 
| 2017 
           | 62.29 
           | 47.47 
           | -14.82 
           | -23.79% 
           | 
| 2018 
           | 47.47 
           | 40.50 
           | -6.97 
           | -14.68% 
           | 
| 2019 
           | 40.50 
           | 66.81 
           | 26.31 
           | 64.96% 
           | 
| 2020 
           | 66.81 
           | 52.79 
           | -14.02 
           | -20.98% 
           | 
| 2021 
           | 52.79 
           | 74.03 
           | 21.24 
           | 40.23% 
           | 
| 2022 
           | 74.03 
           | 141.82 
           | 67.79 
           | 91.57% 
           | 
| 2023 
           | 141.82 
           | 144.16 
           | 2.34 
           | 1.65% 
           | 
| 2024 
           | 144.16 
           | 133.01 
           | -11.15 
           | -7.73% 
           |