 
 
|      Year  
           |   Beginning Price  
           |   Ending Price  
           |   Gain or Loss 
           |   Percent Gain or Loss  
           | 
| 1980 
           | 14.75 
           | 14.50 
               | -0.25 
           | -1.69% 
           | 
| 1981 
           | 14.50 
           | 13.00 
               | -1.50 
           | -10.34% 
           | 
| 1982 
           | 13.00 
           | 18.375 
             | 5.375 
           | 41.35% 
           | 
| 1983 
           | 18.375 
           | 33.50* 
             | 15.125 
           | 82.31% 
           | 
| 1984 
           | 16.75 
           | 20.25 
             | 3.50 
           | 20.90% 
           | 
| 1985 
           | 20.25 
           | 30.625 
             | 10.375 
           | 51.23% 
           | 
| 1986 
           | 30.625 
           | 43.50* 
             | 12.875 
           | 42.04% 
           | 
| 1987 
           | 21.75 
           | 23.25 
             | 1.50 
           | 6.90% 
           | 
| 1988 
           | 23.25 
           | 25.25 
             | 2.00 
           | 8.60% 
           | 
| 1989 
           | 25.25 
           | 28.6875 
             | 3.4375 
           | 13.61% 
           | 
| 1990 
           | 28.6875 
           | 30.375 
             | 1.6875 
           | 5.88% 
           | 
| 1991 
           | 30.375 
           | 41.375 
             | 11.00 
           | 36.21% 
           | 
| 1992 
           | 41.375 
           | 41.25 
             | -0.125 
           | -0.30% 
           | 
| 1993 
           | 41.25 
           | 34.125* 
             | -7.125 
           | -17.27% 
           | 
| 1994 
           | 22.75 
           | 21.375 
             | -1.375 
           | -6.04% 
           | 
| 1995 
           | 21.375 
           | 24.75 
             | 3.375 
           | 15.79% 
           | 
| 1996 
           | 24.75 
           | 28.125 
             | 3.375 
           | 13.64% 
           | 
| 1997 
           | 28.125 
           | 35.25 
             | 7.125 
           | 25.33% 
           | 
| 1998 
           | 35.25 
           | 39.5625* 
             | 4.3125 
           | 12.23% 
           | 
| 1999 
           | 26.375 
           | 22.1875 
             | -4.1875 
           | -15.88% 
           | 
| 2000 
           | 22.1875 
           | 44.75 
             | 22.5625 
           | 101.69% 
           | 
| 2001 
           | 44.75 
           | 33.84 
             | -10.91 
           | -24.38% 
           | 
| 2002 
           | 33.84 
           | 26.52 
           | -7.32 
           | -21.63% 
           | 
| 2003 
           | 26.52 
           | 29.83 
             | 3.31 
           | 12.48% 
           | 
| 2004 
           | 29.83 
           | 30.68 
             | 0.85 
           | 2.85% 
           | 
| 2005 
           | 30.68 
           | 34.61 
             | 3.93 
           | 12.81% 
           | 
| 2006 
           | 34.61 
           | 36.94 
             | 2.33 
           | 6.73% 
           | 
| 2007 
           | 36.94 
           | 44.10 
           | 7.16 
           | 19.38% 
           | 
| 2008 
           | 44.10 
           | 26.96 
           | -17.14 
           | -38.87% 
           | 
| 2009 
           | 26.96 
           | 26.63 
           | -0.33 
           | -1.22% 
           | 
| 2010 
           | 26.63 
           | 30.00 
           | 3.37 
           | 12.65% 
           | 
| 2011 
           | 30.00 
           | 33.58 
           | 3.58 
           | 11.93% 
           | 
| 2012 
           | 33.58 
           | 36.34 
           | 2.76 
           | 8.22% 
           | 
| 2013 
           | 36.34 
           | 52.51 
           | 16.17 
           | 44.50% 
           | 
| 2014 
           | 52.51 
           | 53.04 
           | 0.53 
           | 1.01% 
           | 
| 2015 
           | 53.04 
           | 46.43 
           | -6.61 
           | -12.46% 
           | 
| 2016 
           | 46.43 
           | 61.34 
           | 14.91 
           | 32.11% 
           | 
| 2017 
           | 61.34 
           | 60.11 
           | -1.23 
           | -2.01% 
           | 
| 2018 
           | 60.11 
           | 62.78 
           | 2.67 
           | 4.44% 
           | 
| 2019 
           | 62.78 
           | 78.54 
           | 15.76 
           | 25.10% 
           | 
| 2020 
           | 78.54 
           | 61.45 
           | -17.09 
           | -21.76% 
           | 
| 2021 
           | 61.45 
           | 70.57 
           | 9.12 
           | 14.84% 
           | 
| 2022 
           | 70.57 
           | 70.34 
           | -0.23 
           | -0.33% 
           | 
| 2023 
           | 70.34 
           | 53.95 
           | -16.39 
           | -23.30% 
           | 
| 2024 
           | 53.95 
           | 58.52 
           | 4.57 
           | 8.47% 
           |