 
 
|      Year  
           |   Beginning Price  
           |   Ending Price  
           |   Gain or Loss 
           |   Percent Gain or Loss  
           | 
| 1975 
           | 1.375 
           | 3.00 
               | 1.625 
           | 118.18% 
           | 
| 1976 
           | 3.00 
           | 4.75 
               | 1.75 
           | 58.33% 
           | 
| 1977 
           | 4.75 
           | 7.84375 
           | 3.09375 
           | 65.13% 
           | 
| 1978 
           | 7.84375 
           | 8.15625 
               | 0.3125 
           | 3.98% 
           | 
| 1979 
           | 8.15625 
           | 7.125 
               | -1.03125 
             | -12.64% 
           | 
| 1980 
           | 7.125 
           | 11.125 
               | 4.00 
           | 56.14% 
           | 
| 1981 
           | 11.125 
           | 13.125 
           | 2.00 
           | 17.98% 
           | 
| 1982 
           | 13.125 
           | 18.15625 
               | 5.03125 
           | 38.33% 
           | 
| 1983 
           | 18.15625 
           | 25.25 
               | 7.09375 
           | 39.07% 
           | 
| 1984 
           | 25.25 
           | 25.625 
               | 0.375 
           | 1.49% 
           | 
| 1985 
           | 25.625 
           | 25.625 
               | 0.00 
           | 0.00% 
           | 
| 1986 
           | 25.625 
           | 30.50* 
                 | 4.875 
           | 19.02% 
           | 
| 1987 
           | 15.25 
           | 17.00 
               | 1.75 
           | 11.48% 
           | 
| 1988 
           | 17.00 
           | 21.25 
               | 4.25 
             | 25.00% 
           | 
| 1989 
           | 21.25 
           | 28.875 
               | 7.625 
           | 35.88% 
           | 
| 1990 
           | 28.875 
           | 22.25 
               | -6.625 
           | -22.94% 
           | 
| 1991 
           | 22.25 
           | 30.50* 
               | 8.25 
           | 37.08% 
           | 
| 1992 
           | 15.25 
           | 20.125 
               | 4.875 
           | 31.97% 
           | 
| 1993 
           | 20.125 
           | 23.00 
               | 2.875 
           | 14.29% 
           | 
| 1994 
           | 23.00 
           | 19.125 
               | -3.875 
           | -16.85% 
           | 
| 1995 
           | 19.125 
           | 23.00* 
             | 3.875 
           | 20.26% 
           | 
| 1996 
           | 11.50 
           | 14.00 
             | 2.50 
           | 21.74% 
           | 
| 1997 
           | 14.00 
           | 17.4375 
             | 3.4375 
           | 24.55% 
           | 
| 1998 
           | 17.4375 
           | 23.00 
             | 5.5625 
           | 31.90% 
           | 
| 1999 
           | 23.00 
           | 15.50 
               | -7.50 
           | -32.61% 
           | 
| 2000 
           | 15.50 
           | 11.4375 
             | -4.0625 
           | -26.21% 
           | 
| 2001 
           | 11.4375 
           | 15.99 
               | 4.5525 
           | 39.80% 
           | 
| 2002 
           | 15.99 
           | 13.69 
               | -2.30 
           | -14.38% 
           | 
| 2003 
           | 13.69 
           | 17.90 
             | 4.21 
           | 30.75% 
           | 
| 2004 
           | 17.90 
           | 21.69 
               | 3.79 
           | 21.17% 
           | 
| 2005 
           | 21.69 
           | 21.28 
             | -0.41 
           | -1.89% 
           | 
| 2006 
           | 21.28 
           | 27.75 
           | 6.47 
           | 30.40% 
           | 
| 2007 
           | 27.75 
           | 34.67 
           | 6.92 
           | 24.94% 
               | 
| 2008 
           | 34.67 
           | 27.65 
           | -7.02 
           | -20.25% 
           | 
| 2009 
           | 27.65 
           | 25.73 
               | -1.92 
           | -6.94% 
           | 
| 2010 
           | 25.73 
           | 36.84 
               | 11.11 
           | 43.18% 
           | 
| 2011 
           | 36.84 
           | 42.64 
             | 5.80 
           | 15.74% 
           | 
| 2012 
           | 42.64 
           | 38.56 
             | -4.08 
           | -9.57% 
           | 
| 2013 
           | 38.56 
           | 49.35 
             | 10.79 
           | 27.98% 
           | 
| 2014 
           | 49.35 
             | 49.38 
             | 0.03 
           | 0.06% 
           |