Exhibit 12.2

STATEMENT OF COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

AND RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED

UNIT DISTRIBUTIONS OF THE OPERATING PARTNERSHIP

	Years Ended December 31,
	2007		2006		2005		2004		2003
Earnings:
Income/(loss) from continuing operations before minority interest and equity in earnings of unconsolidated affiliates	$	46,091	$	32,321	$	20,271	$	10,151	$	(2,318	)
Contractual interest expense		93,911		94,193		98,231		104,594		117,653
Amortization of deferred financing costs		2,415		2,375		3,372		3,698		4,398
Financing obligations interest expense		3,930		4,162		5,032		9,999		17,691
Distributions of earnings from unconsolidated affiliates		4,271		7,335		8,516		6,410		4,320
Total earnings	$	150,618	$	140,386	$	135,422	$	134,852	$	141,744
Fixed charges and Preferred Unit distributions
Contractual interest expense	$	93,911	$	94,193	$	98,231	$	104,594	$	117,653
Amortization of deferred financing costs		2,415		2,375		3,372		3,698		4,398
Financing obligations interest expense		3,930		4,162		5,032		9,999		17,691
Capitalized interest		9,743		5,002		2,900		1,058		1,398
Interest component of rental expense		1,448		1,481		1,606		1,789		1,721
Total fixed charges		111,447		107,213		111,141		121,138		142,861
Preferred Unit distributions		13,477		17,063		27,238		30,852		30,852
Total fixed charges and Preferred Unit distributions	$	124,924	$	124,276	$	138,379	$	151,990	$	173,713
Ratio of earnings to fixed charges		1.35		1.31		1.22		1.11		0.99
Ratio of earnings to combined fixed charges and Preferred Unit distributions		1.21		1.13		0.98		0.89		0.82