 
 
|      Year  
           |   Beginning Price  
           |   Ending Price  
           |   Gain or Loss 
           |   Percent Gain or Loss  
           | 
| 1975 
           | 1.375 
           | 2.125 
               | 0.75 
           | 54.55% 
           | 
| 1976 
           | 2.125 
           | 4.875 
               | 2.75 
           | 129.41% 
           | 
| 1977 
           | 4.875 
           | 7.50 
             | 2.625 
           | 53.85% 
           | 
| 1978 
           | 7.50 
           | 7.375 
               | -0.125 
           | -1.67% 
           | 
| 1979 
           | 7.375 
           | 14.50 
               | 7.125 
           | 96.61% 
           | 
| 1980 
           | 14.50 
           | 15.25 
           | 0.75 
               | 5.17% 
           | 
| 1981 
           | 15.25 
           | 10.75 
               | -4.50 
           | -29.51% 
           | 
| 1982 
           | 10.75 
           | 8.50 
               | -2.25 
           | -20.93% 
           | 
| 1983 
           | 8.50 
           | 10.875 
           | 2.375 
           | 27.94% 
           | 
| 1984 
           | 10.875 
           | 8.00 
               | -2.875 
           | -26.44% 
           | 
| 1985 
           | 8.00 
           | 10.25 
               | 2.25 
           | 28.13% 
           | 
| 1986 
           | 10.25 
           | 15.875 
               | 5.625 
           | 54.88% 
           | 
| 1987 
           | 15.875 
           | 15.375 
               | -0.50 
                 | -3.15% 
           | 
| 1988 
           | 15.375 
           | 39.00* 
               | 23.625 
                 | 153.66% 
           | 
| 1989 
           | 19.50 
           | 25.875 
               | 6.375 
           | 32.69% 
           | 
| 1990 
           | 25.875 
           | 22.625 
               | -3.25 
           | -12.56% 
           | 
| 1991 
           | 22.625 
           | 30.50 
               | 7.875 
           | 34.81% 
           | 
| 1992 
           | 30.50 
           | 30.375 
               | -0.125 
           | -0.41% 
           | 
| 1993 
           | 30.375 
           | 26.375 
               | -4.00 
           | -13.17% 
           | 
| 1994 
           | 26.375 
           | 26.125 
               | -0.25 
           | -0.95% 
           | 
| 1995 
           | 26.125 
           | 22.625 
             | -3.50 
           | -13.40% 
           | 
| 1996 
           | 22.625 
           | 26.75 
             | 4.125 
           | 18.23% 
           | 
| 1997 
           | 26.75 
           | 27.625 
             | 0.875 
           | 3.27% 
           | 
| 1998 
           | 27.625 
           | 16.875 
             | -10.75 
           | -38.91% 
           | 
| 1999 
           | 16.875 
           | 13.3125 
               | -3.5625 
           | -21.11% 
           | 
| 2000 
           | 13.3125 
           | 18.75 
             | 5.4375 
                   | 40.85% 
           | 
| 2001 
           | 18.75 
           | 38.50* 
               | 19.75 
           | 105.33% 
           | 
| 2002 
           | 19.25 
           | 21.85 
               | 2.60 
           | 13.51% 
           | 
| 2003 
           | 21.85 
           | 27.50 
             | 5.65 
           | 25.86% 
           | 
| 2004 
           | 27.50 
           | 55.74* 
               | 28.24 
           | 102.69% 
           | 
| 2005 
           | 27.87 
           | 58.87 
             | 31.00 
           | 111.23% 
           | 
| 2006 
           | 58.87 
           | 102.80* 
               | 43.93 
           | 74.62% 
           | 
| 2007 
           | 51.40 
           | 50.89 
           | -0.51 
           | -0.99% 
           | 
| 2008 
           | 50.89 
           | 18.23 
           | -32.66 
           | -64.18% 
           | 
| 2009 
           | 18.23 
           | 25.63 
               | 7.40 
           | 40.59% 
           | 
| 2010 
           | 25.63 
           | 40.77 
               | 15.14 
           | 59.07% 
           | 
| 2011 
           | 40.77 
           | 46.80* 
           | 6.03 
           | 14.79% 
           | 
| 2012 
           | 23.40 
           | 46.55 
           | 23.15 
           | 98.93% 
           | 
| 2013 
           | 46.55 
           | 49.69 
           | 3.14 
           | 6.75% 
           | 
| 2014 
           | 49.69 
           | 37.48 
           | -12.21 
           | -24.57% 
           | 
| 2015 
           | 37.48 
           | 39.89 
           | 2.41 
           | 6.43% 
           | 
| 2016 
           | 39.89 
           | 32.76 
           | -7.13 
           | -17.87% 
           | 
| 2017 
           | 32.76 
           | 51.22 
           | 18.46 
           | 56.35% 
           | 
| 2018 
           | 51.22 
           | 51.12 
           | -0.10 
           | -0.20% 
           | 
| 2019 
           | 51.12 
           | 50.71 
           | -0.41 
           | -0.80% 
           | 
| 2020 
           | 50.71 
           | 25.85 
           | -24.86 
           | -49.02% 
           | 
| 2021 
           | 25.85 
           | 32.78 
           | 6.93 
           | 26.81% 
           | 
| 2022 
           | 32.78 
           | 51.89 
           | 19.11 
           | 58.30% 
           | 
| 2023 
           | 51.89 
           | 55.57 
           | 3.68 
           | 7.09% 
           | 
| 2024 
           | 55.57 
           | 35.05 
           | -20.52 
           | -36.93% 
           |