 
 
|      Year  
           |   Beginning Price  
           |   Ending Price  
           |   Gain or Loss 
           |   Percent Gain or Loss  
           | 
| 1975 
           | 8.25 
           | 10.25 
           | 2.00 
           | 24.24% 
           | 
| 1976 
           | 10.25 
           | 15.75 
           | 5.50 
           | 53.66% 
           | 
| 1977 
           | 15.75 
           | 22.875* 
               | 7.125 
           | 45.24% 
           | 
| 1978 
           | 15.25 
           | 16.50* 
               | 1.25 
           | 8.20% 
           | 
| 1979 
           | 11.00 
           | 10.625 
           | -0.375 
           | -3.41% 
           | 
| 1980 
           | 10.625 
           | 14.00 
           | 3.375 
           | 31.76% 
           | 
| 1981 
           | 14.00 
           | 19.125 
           | 5.125 
           | 36.61% 
           | 
| 1982 
           | 19.125 
           | 32.8125* 
           | 13.6875 
           | 71.57% 
           | 
| 1983 
           | 21.875 
           | 30.00* 
           | 8.125 
           | 37.14% 
           | 
| 1984 
           | 20.00 
           | 24.9375* 
           | 4.9375 
           | 24.69% 
           | 
| 1985 
           | 16.625 
           | 23.25 
           | 6.625 
           | 39.85% 
           | 
| 1986 
           | 23.25 
           | 24.125 
           | 0.875 
           | 3.76% 
           | 
| 1987 
           | 24.125 
           | 29.25* 
           | 5.125 
           | 21.24% 
           | 
| 1988 
           | 19.50 
           | 19.25 
           | -0.25 
           | -1.28% 
           | 
| 1989 
           | 19.25 
           | 19.00 
           | -0.25 
           | -1.30% 
           | 
| 1990 
           | 19.00 
           | 13.75 
           | -5.25 
           | -27.63% 
           | 
| 1991 
           | 13.75 
           | 16.25 
           | 2.50 
           | 18.18% 
           | 
| 1992 
           | 16.25 
           | 19.875 
           | 3.625 
           | 22.31% 
           | 
| 1993 
           | 19.875 
           | 19.125 
           | -0.75 
           | -3.77% 
           | 
| 1994 
           | 19.125 
           | 18.125 
           | -1.00 
           | -5.23% 
           | 
| 1995 
           | 18.125 
           | 18.1875* 
           | 0.0625 
           | 0.34% 
           | 
| 1996 
           | 12.125 
           | 21.50 
           | 9.375 
           | 77.32% 
           | 
| 1997 
           | 21.50 
           | 30.84375* 
           | 9.34375 
           | 43.46% 
           | 
| 1998 
           | 20.5625 
           | 23.9375 
           | 3.375 
           | 16.41% 
           | 
| 1999 
           | 23.9375 
           | 15.9375 
           | -8.00 
           | -33.42% 
           | 
| 2000 
           | 15.9375 
           | 15.75 
           | -0.1875 
           | -1.18% 
           | 
| 2001 
           | 15.75 
           | 39.92 
           | 24.17 
           | 153.46% 
           | 
| 2002 
           | 39.92 
           | 29.265* 
           | -10.655 
           | -26.69% 
           | 
| 2003 
           | 19.51 
           | 38.70* 
           | 19.19 
           | 98.36% 
           | 
| 2004 
           | 25.80 
           | 31.58 
           | 5.78 
           | 22.40% 
           | 
| 2005 
           | 31.58 
           | 41.34* 
           | 9.76 
           | 30.91% 
           | 
| 2006 
           | 27.56 
           | 26.99 
           | -0.57 
           | -2.07% 
           | 
| 2007 
           | 26.99 
           | 35.115* 
           | 8.125 
           | 30.10% 
           | 
| 2008 
           | 23.41 
           | 24.36 
           | 0.95 
           | 4.06% 
           | 
| 2009 
           | 24.36 
           | 23.76 
           | -0.60 
           | -2.46% 
           | 
| 2010 
           | 23.76 
           | 26.91 
           | 3.15 
           | 13.26% 
           | 
| 2011 
           | 26.91 
           | 28.47* 
           | 1.56 
           | 5.80% 
           | 
| 2012 
           | 18.98 
           | 23.27 
           | 4.29 
           | 22.60% 
           | 
| 2013 
           | 23.27 
           | 32.205* 
           | 8.935 
           | 38.40% 
           | 
| 2014 
           | 21.47 
           | 19.19 
           | -2.28 
           | -10.62% 
           | 
| 2015 
           | 19.19 
           | 21.49 
           | 2.30 
           | 11.99% 
           | 
| 2016 
           | 21.49 
           | 19.97 
           | -1.52 
           | -7.07% 
           | 
| 2017 
           | 19.97 
           | 19.31 
           | -0.66 
           | -3.30% 
           | 
| 2018 
           | 19.31 
           | 18.47 
           | -0.84 
           | -4.35% 
           | 
| 2019 
           | 18.47 
           | 21.74 
           | 3.27 
           | 17.70% 
           | 
| 2020 
           | 21.74 
           | 22.63 
           | 0.89 
           | 4.09% 
           | 
| 2021 
           | 22.63 
           | 27.47 
           | 4.84 
           | 21.39% 
           | 
| 2022 
           | 27.47 
           | 28.74 
           | 1.27 
           | 4.62% 
           | 
| 2023 
           | 28.74 
           | 22.51 
           | -6.23 
           | -21.68% 
           | 
| 2024 
           | 22.51 
           | 20.66 
           | -1.85 
           | -8.22% 
           |