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Exhibit 12

STATEMENT REGARDING COMPUTATION OF RATIOS OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS

 
  For the year ended December 31,  
(dollars in thousands)
  2011   2010   2009   2008   2007  

Income before loss from unconsolidated entities, reversal of contingent liability, income taxes, discontinued operations, noncontrolling interest and preferred stock dividends and issuance costs

  $ 330,493   $ 224,751   $ 191,569   $ 135,131   $ 107,004  

Interest expense

                               

Senior notes payable and other debt

    236,807     175,631     173,810     199,135     191,022  

Distributions from unconsolidated entities

    3,790     689              
                       

Earnings

  $ 571,090   $ 401,071   $ 365,379   $ 334,266   $ 298,026  
                       

Interest

                               

Senior notes payable and other debt expense

  $ 236,807   $ 175,631   $ 173,810   $ 199,135   $ 191,022  

Interest capitalized

    1,233         304     114      

Preferred stock dividends

                    3,449  
                       

Fixed charges

  $ 238,040   $ 175,631   $ 174,114   $ 199,249   $ 194,471  
                       

Ratio of Earnings to Combined Fixed Charges and Preferred Stock Dividends

    2.40     2.28     2.10     1.68     1.53  
                       



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STATEMENT REGARDING COMPUTATION OF RATIOS OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS