Exhibit 12.1

STATEMENT REGARDING COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES

	For the year ended December 31,
(dollars in thousands)	2007		2006		2005		2004		2003
Income before net loss on real estate disposals, income taxes, minority interest, discontinued operations and preferred stock dividends and issuance costs	$	118,138	$	123,587	$	117,389	$	91,352	$	87,952
Interest expense
Senior notes payable and other debt		201,319		134,056		98,041		60,057		55,548
United States settlement		—		—		—		—		4,943
Earnings	$	319,457	$	257,643	$	215,430	$	151,409	$	148,443
Interest expense
Senior notes payable and other debt	$	201,319	$	134,056	$	98,041	$	60,057	$	55,548
United States settlement		—		—		—		—		4,943
Fixed charges	$	201,319	$	134,056	$	98,041	$	60,057	$	60,491
Ratio of Earnings to Fixed Charges		1.59		1.92		2.20		2.52		2.45