 
 
|      Year  
           |   Beginning Price  
           |   Ending Price  
           |   Gain or Loss 
           |   Percent Gain or Loss  
           | 
| 1975 
           | 8.00 
           | 12.00 
             | 4.00 
           | 50.00% 
           | 
| 1976 
           | 12.00 
           | 14.25 
             | 2.25 
           | 18.75% 
           | 
| 1977 
           | 14.25 
           | 20.50 
             | 6.25 
           | 43.86% 
           | 
| 1978 
           | 20.50 
           | 34.00 
             | 13.50 
           | 65.85% 
           | 
| 1979 
           | 34.00 
           | 39.875 
             | 5.875 
           | 17.28% 
           | 
| 1980 
           | 39.875 
           | 55.125 
             | 15.25 
           | 38.24% 
           | 
| 1981 
           | 55.125 
           | 72.25* 
             | 17.125 
           | 31.07% 
           | 
| 1982 
           | 36.125 
           | 35.875 
             | -0.25 
           | -0.69% 
           | 
| 1983 
           | 35.875 
           | 32.50 
             | -3.375 
           | -9.41% 
           | 
| 1984 
           | 32.50 
           | 31.00 
             | -1.50 
           | -4.62% 
           | 
| 1985 
           | 31.00 
           | 46.50 
             | 15.50 
           | 50.00% 
           | 
| 1986 
           | 46.50 
           | 60.625 
             | 14.125 
           | 30.38% 
           | 
| 1987 
           | 60.625 
           | 52.875* 
             | -7.75 
           | -12.78% 
           | 
| 1988 
           | 35.25 
           | 57.625 
             | 22.375 
           | 63.48% 
           | 
| 1989 
           | 57.625 
           | 88.25 
             | 30.625 
           | 53.15% 
           | 
| 1990 
           | 88.25 
           | 69.75 
             | -18.50 
           | -20.96% 
           | 
| 1991 
           | 69.75 
           | 82.25 
             | 12.50 
           | 17.92% 
           | 
| 1992 
           | 82.25 
           | 82.50 
             | 0.25 
           | 0.30% 
           | 
| 1993 
           | 82.50 
           | 87.25 
             | 4.75 
           | 5.76% 
           | 
| 1994 
           | 87.25 
           | 91.50* 
             | 4.25 
           | 4.87% 
           | 
| 1995 
           | 30.50 
           | 36.50 
           | 6.00 
           | 19.67% 
           | 
| 1996 
           | 36.50 
           | 45.75 
           | 9.25 
           | 25.34% 
           | 
| 1997 
           | 45.75 
           | 55.25 
           | 9.50 
           | 20.77% 
           | 
| 1998 
           | 55.25 
           | 75.6875 
           | 20.4375 
           | 36.99% 
           | 
| 1999 
           | 75.6875 
           | 57.25 
             | -18.4375 
           | -24.36% 
           | 
| 2000 
           | 57.25 
           | 66.50 
           | 9.25 
           | 16.16% 
           | 
| 2001 
           | 66.50 
           | 62.60 
             | -3.90 
           | -5.86% 
           | 
| 2002 
           | 62.60 
           | 65.36 
             | 2.76 
           | 4.41% 
           | 
| 2003 
           | 65.36 
           | 93.45 
           | 28.09 
           | 42.98% 
           | 
| 2004 
           | 93.45 
           | 97.36* 
             | 3.91 
           | 4.18% 
           | 
| 2005 
           | 48.68 
           | 69.32 
           | 20.64 
           | 42.40% 
           | 
| 2006 
           | 69.32 
           | 66.24 
             | -3.08 
           | -4.44% 
           | 
| 2007 
           | 66.24 
           | 74.11 
           | 7.87 
           | 11.88% 
           | 
| 2008 
           | 74.11 
           | 64.3625* 
           | -9.7475 
           | -13.15% 
           | 
| 2009 
           | 51.49 
           | 53.57 
             | 2.08 
           | 4.04% 
           | 
| 2010 
           | 53.57 
           | 69.62 
             | 16.05 
           | 29.96% 
           | 
| 2011 
           | 69.62 
           | 80.51 
             | 10.89 
           | 15.64% 
           | 
| 2012 
           | 80.51 
           | 94.875* 
             | 14.365 
           | 17.84% 
           | 
| 2013 
           | 63.25 
           | 75.57 
             | 12.32 
           | 19.48% 
           | 
| 2014 
           | 75.57 
           | 87.84 
           | 12.27 
           | 16.24% 
           | 
| 2015 
           | 87.84 
           | 99.28 
           | 11.44 
           | 13.02% 
           | 
| 2016 
           | 99.28 
           | 89.84* 
           | -9.44 
           | -9.51% 
           | 
| 2017 
           | 44.92 
           | 68.67 
           | 23.75 
           | 52.87% 
           | 
| 2018 
           | 68.67 
           | 59.475* 
           | -9.195 
           | -13.39% 
           | 
| 2019 
           | 47.58 
           | 67.60 
           | 20.02 
           | 42.08% 
           | 
| 2020 
           | 67.60 
           | 79.43 
           | 11.83 
           | 17.50% 
           | 
| 2021 
           | 79.43 
           | 72.86 
           | -6.57 
           | -8.27% 
           | 
| 2022 
           | 72.86 
           | 65.68 
           | -7.18 
           | -9.85% 
           | 
| 2023 
           | 65.68 
           | 57.10 
           | -8.58 
           | -13.06% 
           | 
| 2024 
           | 57.10 
           | 37.98 
           | -19.12 
           | -33.49% 
           |