Exhibit 12.1

STATEMENT OF COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES AND OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS (in thousands, except ratios)

	Three months ended March 31,						Year ended
	2013			2012			2012			2011			2010			2009			2008
Fixed Charges:
Interest Expense		16,373			16,537			65,023			65,817			66,486			71,464			69,692
Interest Expense Included in Discontinued Operations											5,932			6,274			6,279			6,296
Total		16,373			16,537			65,023			71,749			72,760			77,743			75,988
Earnings:
Income from Continuing Operations		20,910			18,402			62,937			86,864			107,258			71,569			113,370
Less Equity in Income of Unconsolidated Joint Ventures		(395	)		(170	)		(923	)		(1,619	)		(2,633	)		(104	)		(256	)
Operating Distributions Received from Unconsolidated Joint Ventures		463			788			2,338			2,932			4,463			4,445			4,747
Fixed Charges		16,373			16,537			65,023			71,749			72,760			77,743			75,988
Less Preferred Dividends of Consolidated Subsidiaries		(4	)		(4	)		(15	)		(15	)		(15	)		(15	)		(15	)
Total		37,347			35,553			129,360			159,911			181,833			153,638			193,834
Ratio of Earnings to Fixed Charges:(1)(2)		2.3			2.1			2.0			2.2			2.5			2.0			2.6

(1) For the three months ended March 31, 2013 and 2012 and the years ended December 31, 2012, 2011, 2010, 2009 and 2008 amounts have been adjusted to conform with the current period presentation, including classifying revenues from sold properties as discontinued operations for each such period.

(2) There was no preferred stock outstanding for any of the periods shown above. Accordingly, the ratio of earnings to combined fixed charges and preferred stock dividends was identical to the ratio of earnings to fixed charges for each period.