 
 
|      Year  
           |   Beginning Price  
           |   Ending Price  
           |   Gain or Loss 
           |   Percent Gain or Loss  
           | 
| 1975 
           | 9.75 
           | 18.625 
             | 8.875 
           | 91.03% 
           | 
| 1976 
           | 18.625 
           | 22.375 
             | 3.75 
           | 20.13% 
           | 
| 1977 
           | 22.375 
           | 19.875 
             | -2.50 
           | -11.17% 
           | 
| 1978 
           | 19.875 
           | 20.625 
             | 0.75 
           | 3.77% 
           | 
| 1979 
           | 20.625 
           | 24.625 
             | 4.00 
           | 19.39% 
           | 
| 1980 
           | 24.625 
           | 23.50 
             | -1.125 
           | -4.57% 
           | 
| 1981 
           | 23.50 
           | 36.00 
             | 12.50 
           | 53.19% 
           | 
| 1982 
           | 36.00 
           | 56.375 
             | 20.375 
           | 56.60% 
           | 
| 1983 
           | 56.375 
           | 63.25* 
             | 6.875 
           | 12.20% 
           | 
| 1984 
           | 31.625 
           | 38.625 
             | 7.00 
           | 22.13% 
           | 
| 1985 
           | 38.625 
           | 51.50 
             | 12.875 
           | 33.33% 
           | 
| 1986 
           | 51.50 
           | 73.875* 
             | 22.375 
           | 43.45% 
           | 
| 1987 
           | 24.625 
           | 24.50 
             | -0.125 
           | -0.51% 
           | 
| 1988 
           | 24.50 
           | 26.00 
             | 1.50 
           | 6.12% 
           | 
| 1989 
           | 26.00 
           | 35.875 
             | 9.875 
           | 37.98% 
           | 
| 1990 
           | 35.875 
           | 37.50 
             | 1.625 
           | 4.53% 
           | 
| 1991 
           | 37.50 
           | 44.375 
             | 6.875 
           | 18.33% 
           | 
| 1992 
           | 44.375 
           | 47.00 
             | 2.625 
           | 5.92% 
           | 
| 1993 
           | 47.00 
           | 49.00 
             | 2.00 
           | 4.26% 
           | 
| 1994 
           | 49.00 
           | 48.375 
             | -0.625 
           | -1.28% 
           | 
| 1995 
           | 48.375 
           | 65.00 
           | 16.625 
           | 34.37% 
           | 
| 1996 
           | 65.00 
           | 87.50* 
           | 22.50 
           | 34.62% 
           | 
| 1997 
           | 43.75 
           | 61.9375 
           | 18.1875 
           | 41.57% 
           | 
| 1998 
           | 61.9375 
           | 62.1875 
           | 0.25 
           | 0.40% 
           | 
| 1999 
           | 62.1875 
           | 47.4375 
             | -14.75 
           | -23.72% 
           | 
| 2000 
           | 47.4375 
           | 64.375 
           | 16.9375 
           | 35.70% 
           | 
| 2001 
           | 64.375 
           | 67.70 
             | 3.325 
           | 5.17% 
           | 
| 2002 
           | 67.70 
           | 67.44 
             | -0.26 
           | -0.38% 
           | 
| 2003 
           | 67.44 
           | 76.99 
           | 9.55 
           | 14.16% 
           | 
| 2004 
           | 76.99 
           | 111.08* 
             | 34.09 
           | 44.28% 
           | 
| 2005 
           | 55.54 
           | 55.25 
           | -0.29 
           | -0.52% 
           | 
| 2006 
           | 55.25 
           | 49.80 
             | -5.45 
           | -9.86% 
           | 
| 2007 
           | 49.80 
           | 39.40 
           | -10.40 
             |   -20.88% 
           | 
| 2008 
           | 39.40 
           | 34.74 
           | -4.66 
             | -11.83% 
           | 
| 2009 
           | 34.74 
           | 35.79 
             | 1.05 
           | 3.02% 
           | 
| 2010 
           | 35.79 
           | 47.15 
             | 11.36 
           | 31.74% 
           | 
| 2011 
           | 47.15 
           | 61.78 
             | 14.63 
           | 31.03% 
           | 
| 2012 
           | 61.78 
           | 72.22 
             | 10.44 
           | 16.90% 
           | 
| 2013 
           | 72.22 
           | 97.23 
             | 25.01 
           | 34.63% 
           | 
| 2014 
           | 97.23 
           | 103.93 
           | 6.70 
           | 6.89% 
           | 
| 2015 
           | 103.93 
           | 89.27 
           | -14.66 
           | -14.11% 
           | 
| 2016 
           | 89.27 
           | 103.43 
           | 14.16 
           | 15.86% 
           | 
| 2017 
           | 103.43 
           | 113.51 
           | 10.08 
           | 9.75% 
           | 
| 2018 
           | 113.51 
           | 107.18 
           | -6.33 
           | -5.58% 
           | 
| 2019 
           | 107.18 
           | 146.98 
           | 39.80 
           | 37.13% 
           | 
| 2020 
           | 146.98 
           | 152.33 
           | 5.35 
           | 3.64% 
           | 
| 2021 
           | 152.33 
           | 193.47 
           | 41.14 
           | 27.01% 
           | 
| 2022 
           | 193.47 
           | 231.57 
           | 38.10 
           | 19.69% 
           | 
| 2023 
           | 231.57 
           | 186.44 
           | -45.13 
           | -19.49% 
           | 
| 2024 
           | 186.44 
           | 169.35 
           | -17.09 
           | -9.17% 
           |