 
 
|      Year  
           |   Beginning Price  
           |   Ending Price  
           |   Gain or Loss 
           |   Percent Gain or Loss  
           | 
| 1975 
           | 24.00 
           | 27.50 
             | 3.50 
           | 14.58% 
           | 
| 1976 
           | 27.50 
           | 28.00 
             | 0.50 
           | 1.82% 
           | 
| 1977 
           | 28.00 
           | 15.75 
             | -12.25 
           | -43.75% 
           | 
| 1978 
           | 15.75 
           | 16.375 
             | 0.625 
           | 3.97% 
           | 
| 1979 
           | 16.375 
           | 20.625 
             | 4.25 
           | 25.95% 
           | 
| 1980 
           | 20.625 
               | 19.00 
             | -1.625 
           | -7.88% 
           | 
| 1981 
           | 19.00 
               | 22.625 
             | 3.625 
           | 19.08% 
           | 
| 1982 
           | 22.625 
               | 27.625 
             | 5.00 
           | 22.10% 
           | 
| 1983 
           | 27.625 
               | 35.75 
             | 8.125 
           | 29.41% 
           | 
| 1984 
           | 35.75 
               | 33.875 
             | -1.875 
           | -5.24% 
           | 
| 1985 
           | 33.875 
           | 39.875 
             | 5.50 
           | 16.24% 
           | 
| 1986 
           | 39.875 
           | 50.625 
             | 11.25 
           | 28.57% 
           | 
| 1987 
           | 50.625 
           | 47.00 
             | -3.625 
           | -7.16% 
           | 
| 1988 
           | 47.00 
           | 44.50 
             | -2.50 
           | -5.32% 
           | 
| 1989 
           | 44.50 
           | 39.00 
             | -5.50 
           | -12.36% 
           | 
| 1990 
           | 39.00 
           | 33.625 
             | -5.375 
           | -13.78% 
           | 
| 1991 
           | 33.625 
           | 50.25 
             | 16.625 
           | 49.44% 
           | 
| 1992 
           | 50.25 
           | 63.50 
             | 13.25 
           | 26.37% 
           | 
| 1993 
           | 63.50 
           | 113.50 
             | 50.00 
           | 78.74% 
           | 
| 1994 
           | 113.50 
           | 115.375 
             | 1.875 
           | 1.65% 
           | 
| 1995 
           | 115.375 
           | 169.125* 
               | 53.75 
           | 46.59% 
           | 
| 1996 
           | 56.375 
           | 43.25 
               | -13.125 
           | -23.28% 
           | 
| 1997 
           | 43.25 
           | 50.0625 
               | 6.8125 
           | 15.75% 
           | 
| 1998 
           | 50.0625 
           | 27.25 
               | -22.8125 
           | -45.57% 
           | 
| 1999 
           | 27.25 
           | 27.875 
             | 0.625 
           | 2.29% 
           | 
| 2000 
           | 27.875 
           | 19.0625 
               | -8.8125 
           | -31.61% 
           | 
| 2001 
           | 19.0625 
           | 10.00 
             | -9.0625 
           | -47.54% 
           | 
| 2002 
           | 10.00 
           | 8.80 
             | -1.20 
           | -12.00% 
           | 
| 2003 
           | 8.80 
           | 12.20 
               | 3.40 
           | 38.64% 
           | 
| 2004 
           | 12.20 
           | 14.85 
             | 2.65 
           | 21.72% 
           | 
| 2005 
           | 14.85 
           | 11.30 
               | -3.55 
           | -23.91% 
           | 
| 2006 
           | 11.30 
           |    19.31 
             | 8.01 
           | 70.88% 
           | 
| 2007 
           | 19.31 
           | 19.35 
               | 0.04 
               | 0.21% 
               | 
| 2008 
           | 19.35 
           | 19.58** 
               | 0.23 
               | 1.19% 
               |