 
 
|      Year  
           |   Beginning Price  
           |   Ending Price  
           |   Gain or Loss 
           |   Percent Gain or Loss  
           | 
| 1991 
           | 15.00 
           | 22.00 
             | 7.00 
           | 46.67% 
           | 
| 1992 
           | 22.00 
               | 55.00 
             | 33.00 
           | 150.00% 
           | 
| 1993 
           | 55.00 
           | 137.25* 
             | 82.25 
           | 149.55% 
           | 
| 1994 
           | 45.75 
           | 30.875 
               | -14.875 
           | -32.51% 
           | 
| 1995 
           | 30.875 
           | 24.25 
               | -6.625 
           | -21.46% 
           | 
| 1996 
           | 24.25 
           | 19.875 
               | -4.375 
           | -18.04% 
           | 
| 1997 
           | 19.875 
           | 18.875 
               | -1.00 
           | -5.03% 
           | 
| 1998 
           | 18.875 
           | 15.6875 
             | -3.1875 
           | -16.89% 
           | 
| 1999 
           | 15.6875 
           | 26.4375 
               | 10.75 
           | 68.53% 
           | 
| 2000 
           | 26.4375 
           | 26.375 
             | -0.0625 
               | -0.24% 
               | 
| 2001 
           | 26.375 
           | 37.01 
             | 10.635 
               | 40.32% 
           | 
| 2002 
           | 37.01 
           | 39.60 
               | 2.59 
               | 7.00% 
               | 
| 2003 
           | 39.60 
           | 49.77 
             | 10.17 
               | 25.68% 
               | 
| 2004 
           | 49.77 
           | 66.89 
               | 17.12 
               | 34.40% 
               | 
| 2005 
           | 66.89 
           | 71.29 
             | 4.40 
               | 6.58% 
               | 
| 2006 
           | 71.29 
           | 82.72 
                 | 11.43 
               | 16.03% 
               | 
| 2007 
           | 82.72 
           | 88.75 
           | 6.03 
           | 7.29% 
               | 
| 2008 
           | 88.75 
           | 90.00 
           | 1.25 
           | 1.41% 
               |