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The line graph above compares the percentage change in the cumulative total shareholder return on our common stock as compared to the cumulative total return of the S&P 500 Index and the FTSE NAREIT Equity REIT Index for the period December 31, 2006 through December 31, 2011. The graph assumes an investment of $100 on December 31, 2006, a reinvestment of dividends and actual increase in the market value of the common stock relative to an initial investment of $100. The comparisons in this table are required by the Securities and Exchange Commission and are not intended to forecast or be indicative of possible future performance. 

