Exhibit 12.1

STATEMENT OF COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

AND RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND

PREFERRED STOCK DIVIDENDS OF THE COMPANY

	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	$	46,030	$	32,080	$	20,201	$	9,725	$	(2,733	)
Contractual interest expense		93,992		94,229		98,231		104,768		118,015
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		4,462		7,748		8,965		6,775		4,558
Total earnings	$	150,829	$	140,594	$	135,801	$	134,965	$	141,929
Fixed charges and Preferred Stock dividends
Contractual interest expense	$	93,992	$	94,229	$	98,231	$	104,768	$	118,015
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		111,528		107,249		111,141		121,312		143,223
Preferred Stock dividends		13,477		17,063		27,238		30,852		30,852
Total fixed charges and Preferred Stock dividends	$	125,005	$	124,312	$	138,379	$	152,164	$	174,075
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 Stock dividends		1.21		1.13		0.98		0.89		0.82