 
 
|      Year  
           |   Beginning Price  
           |   Ending Price  
           |   Gain or Loss 
           |   Percent Gain or Loss  
           | 
| 1975 
           | 23.875 
           | 26.50 
             | 2.625 
           | 10.99% 
           | 
| 1976 
           | 26.50 
           | 36.25 
             | 9.75 
           | 36.79% 
           | 
| 1977 
           | 36.25 
           | 34.75 
             | -1.50 
           | -4.14% 
           | 
| 1978 
           | 34.75 
           | 35.75 
             | 1.00 
           | 2.88% 
           | 
| 1979 
           | 35.75 
           | 43.75 
             | 8.00 
           | 22.38% 
           | 
| 1980 
           | 43.75 
           | 40.00 
             | -3.75 
           | -8.57% 
           | 
| 1981 
           | 40.00 
           | 40.625 
             | 0.625 
           | 1.56% 
           | 
| 1982 
           | 40.625 
           | 44.75 
             | 4.125 
           | 10.15% 
           | 
| 1983 
           | 44.75 
           | 65.25 
             | 20.50 
           | 45.81% 
           | 
| 1984 
           | 65.25 
           | 78.00* 
             | 12.75 
           | 19.54% 
           | 
| 1985 
           | 39.00 
           | 50.125 
             | 11.125 
           | 28.53% 
           | 
| 1986 
           | 50.125 
           | 46.375 
             | -3.75 
           | -7.48% 
           | 
| 1987 
           | 46.375 
           | 40.125 
             | -6.25 
           | -13.48% 
           | 
| 1988 
           | 40.125 
           | 43.50 
             | 3.375 
           | 8.41% 
           | 
| 1989 
           | 43.50 
           | 60.875 
             | 17.375 
           | 39.94% 
           | 
| 1990 
           | 60.875 
           | 43.00 
             | -17.875 
           | -29.36% 
           | 
| 1991 
           | 43.00 
           | 54.75 
             | 11.75 
           | 27.33% 
           | 
| 1992 
           | 54.75 
           | 74.00 
             | 19.25 
           | 35.16% 
           | 
| 1993 
           | 74.00 
           | 87.00* 
             | 13.00 
           | 17.57% 
           | 
| 1994 
           | 43.50 
           | 35.00 
             | -8.50 
           | -19.54% 
           | 
| 1995 
           | 35.00 
           | 53.75 
           | 18.75 
           | 53.57% 
           | 
| 1996 
           | 53.75 
           | 52.50 
           | -1.25 
           | -2.33% 
           | 
| 1997 
           | 52.50 
           | 78.125 
           | 25.625 
           | 48.81% 
           | 
| 1998 
           | 78.125 
           | 81.8125 
           | 3.6875 
           | 4.72% 
           | 
| 1999 
           | 81.8125 
           | 80.00* 
             | -1.8125 
           | -2.22% 
           | 
| 2000 
           | 40.00 
           | 47.3125 
           | 7.3125 
           | 18.28% 
           | 
| 2001 
           | 47.3125 
           | 48.57 
             | 1.2575 
           | 2.66% 
           | 
| 2002 
           | 48.57 
           | 31.58 
             | -16.99 
           | -34.98% 
           | 
| 2003 
           | 31.58 
           | 40.37 
           | 8.79 
           | 27.83% 
           | 
| 2004 
           | 40.37 
           | 46.68 
             | 6.31 
           | 15.63% 
           | 
| 2005 
           | 46.68 
           | 53.03 
           | 6.35 
           | 13.60% 
           | 
| 2006 
           | 53.03 
           | 66.40 
             | 13.37 
           | 25.21% 
           | 
| 2007 
           | 66.40 
           | 58.22 
           | -8.18 
           | -12.32% 
           | 
| 2008 
           | 58.22 
           | 18.84 
           | -39.38 
           | -67.64% 
           | 
| 2009 
           | 18.84 
           | 24.88 
             | 6.04 
           | 32.06% 
           | 
| 2010 
           | 24.88 
           | 27.81 
             | 2.93 
           | 11.78% 
           | 
| 2011 
           | 27.81 
           | 19.42 
             | -8.39 
           | -30.17% 
           | 
| 2012 
           | 19.42 
           | 25.90 
             | 6.48 
           | 33.37% 
           | 
| 2013 
           | 25.90 
           | 51.62 
             | 25.72 
           | 99.31% 
           | 
| 2014 
           | 51.62 
           | 57.67 
           | 6.05 
           | 11.72% 
           | 
| 2015 
           | 57.67 
           | 50.26 
           | -7.41 
           | -12.85% 
           | 
| 2016 
           | 50.26 
           | 66.27 
           | 16.01 
           | 31.85% 
           | 
| 2017 
           | 66.27 
           | 76.87 
           | 10.60 
           | 16.00% 
           | 
| 2018 
           | 76.87 
           | 51.31 
           | -25.56 
           | -33.25% 
           | 
| 2019 
           | 51.31 
           | 59.01 
           | 7.70 
           | 15.01% 
           | 
| 2020 
           | 59.01 
           | 50.31 
           | -8.70 
           | -14.74% 
           | 
| 2021 
           | 50.31 
           | 68.26 
           | 17.95 
           | 35.68% 
           | 
| 2022 
           | 68.26 
           | 30.72 
           | -37.54 
           | -55.00% 
           | 
| 2023 
           | 30.72 
           | 26.97 
           | -3.75 
           | -12.21% 
           | 
| 2024 
           | 26.97 
           | 31.71 
           | 4.74 
           | 17.58% 
           |