 
 
|      Year  
           |   Beginning Price  
           |   Ending Price  
           |   Gain or Loss 
           |   Percent Gain or Loss  
           | 
| 1981 
           | 29.25 
           | 38.00 
                 | 8.75 
           | 29.91% 
           | 
| 1982 
           | 38.00 
           | 41.75 
               | 3.75 
           | 9.87% 
           | 
| 1983 
           | 41.75 
           | 48.50 
               | 6.75 
           | 16.17% 
           | 
| 1984 
           | 48.50 
           | 44.50 
               | -4.00 
           | -8.25% 
           | 
| 1985 
           | 44.50 
           | 77.00* 
               | 32.50 
           | 73.03% 
           | 
| 1986 
           | 38.50 
           | 45.00 
               | 6.50 
           | 16.88% 
           | 
| 1987 
           | 45.00 
           | 62.00* 
               | 17.00 
           | 37.78% 
           | 
| 1988 
           | 31.00 
           | 28.375 
               | -2.625 
           | -8.47% 
           | 
| 1989 
           | 28.375 
           | 36.00 
               | 7.625 
           | 26.87% 
           | 
| 1990 
           | 36.00 
           | 43.25 
               | 7.25 
           | 20.14% 
           | 
| 1991 
           | 43.25 
           | 75.00* 
               | 31.75 
           | 73.41% 
           | 
| 1992 
           | 37.50 
           | 39.75 
               | 2.25 
           | 6.00% 
           | 
| 1993 
           | 39.75 
           | 40.75 
               | 1.00 
           | 2.52% 
           | 
| 1994 
           | 40.75 
           | 37.125 
               | -3.625 
           | -8.90% 
           | 
| 1995 
           | 37.125 
           | 40.50 
             | 3.375 
           | 9.09% 
           | 
| 1996 
           | 40.50 
           | 29.00 
             | -11.50 
           | -28.40% 
           | 
| 1997 
           | 29.00 
           | 44.8125 
             | 15.8125 
           | 54.53% 
           | 
| 1998 
           | 44.8125 
           | 45.00 
             | 0.1875 
           | 0.42% 
           | 
| 1999 
           | 45.00 
           | 43.75 
               | -1.25 
           | -2.78% 
           | 
| 2000 
           | 43.75 
           | 41.375 
             | -2.375 
           | -5.43% 
           | 
| 2001 
           | 41.375 
           | 89.40* 
               | 48.025 
           | 116.07% 
           | 
| 2002 
           | 44.70 
           | 40.20 
               | -4.50 
           | -10.07% 
           | 
| 2003 
           | 40.20 
           | 55.37 
             | 15.17 
           | 37.74% 
           | 
| 2004 
           | 55.37 
           | 49.00 
               | -6.37 
           | -11.50% 
           | 
| 2005 
           | 49.00 
           | 49.10* 
             | 0.10 
           | 0.20% 
           | 
| 2006 
           | 24.55 
           | 23.04 
               | -1.51 
           | -6.15% 
           | 
| 2007 
           | 23.04 
           | 18.57 
           | -4.47 
           | -19.40% 
           | 
| 2008 
           | 18.57 
           | 22.72 
           | 4.15 
             | 22.35% 
             | 
| 2009 
           | 22.72 
           | 22.62 
           | -0.10 
           | -0.44% 
           | 
| 2010 
           | 22.62 
           | 11.91 
           | -10.71 
           | -47.35% 
           | 
| 2011 
           | 11.91 
           | 16.33 
           | 4.42 
           | 37.11% 
           | 
| 2012 
           | 16.33 
           | 18.57 
           | 2.24 
           | 13.72% 
           | 
| 2013 
           | 18.57 
           | 29.04 
           | 10.47 
           | 56.38% 
           | 
| 2014 
           | 29.04 
           | 33.68 
           | 4.64 
           | 15.98% 
           | 
| 2015 
           | 33.68 
           | 33.31 
           | -0.37 
           | -1.10% 
           | 
| 2016 
           | 33.31 
           | 22.99 
           | -10.32 
           | -30.98% 
           | 
| 2017 
           | 22.99 
           | 26.22 
           | 3.23 
           | 14.05% 
           | 
| 2018 
           | 26.22 
           | 25.37 
           | -0.85 
           | -3.24% 
           | 
| 2019 
           | 25.37 
           | 23.48 
           | -1.89 
           | -7.45% 
           | 
| 2020 
           | 23.48 
           | 15.86 
           | -7.62 
           | -32.45% 
           | 
| 2021 
           | 15.86 
           | 23.56 
           | 7.70 
           | 48.55% 
           | 
| 2022 
           | 23.56 
           | 36.51 
           | 12.95 
           | 54.97% 
           | 
| 2023 
           | 36.51 
           | 48.37 
           | 11.86 
           | 32.48% 
           | 
| 2024 
           | 48.37 
           | 52.84 
           | 4.47 
           | 9.24% 
           |