Exhibit 12.1

Statement on Computation of Ratio of Earnings to Fixed Charges
(in thousands, except ratio data)

	For the Year Ended December 31,
	2006		2005		2004		2003		2002
Income from continuing operations	$	62,937	$	59,674	$	46,564	$	46,326	$	45,916
Minority interest in continuing operations		16,268		16,262		24,785		29,638		28,271
Interest expense		2,575		1,330		3,054		4,015		5,324
Earnings from continuing operations available to cover fixed charges	$	81,780	$	77,266	$	74,403	$	79,979	$	79,511
Fixed charges (1)	$	2,575	$	1,330	$	3,054	$	4,015	$	5,612
Preferred stock dividends		47,933		43,011		33,020		15,784		15,412
Preferred partnership distributions		11,155		10,651		20,245		19,240		17,927
Combined fixed charges and preferred distributions	$	61,663	$	54,992	$	56,319	$	39,039	$	38,951
Ratio of earnings from continuing operations to fixed charges		31.8		58.1		24.4		19.9		14.2
Ratio of earnings from continuing operations to combined fixed charges and preferred distributions		1.3		1.4		1.3		2.0		2.0

(1) Fixed charges include interest expense plus capitalized interest