Exhibit 12.1

RATIO OF EARNINGS TO FIXED CHARGES

(unaudited)

(dollars in thousands)

	December 31,
	2006			2005			2004			2003			2002
Income before income taxes and minority interest	$	528,233		$	375,755		$	200,438		$	250,902		$	223,948
Add:     Fixed charges		22,393			15,236			5,590			5,211			4,726
Distributions from equity investees		—			—			2,276			3,144			1,008
Less:     Income from equity investees		(5,659	)		(11,526	)		(2,549	)		(4,912	)		(2,098	)
Pre-tax income before fixed charges	$	544,967		$	379,465		$	205,755		$	254,345		$	227,584
Fixed charges*:
Interest expense	$	9,916		$	7,924		$	835		$	720		$	683
Portion of rent representative of interest		12,477			7,312			4,755			4,491			4,043
Total fixed charges	$	22,393		$	15,236		$	5,590		$	5,211		$	4,726
Ratio of earnings to fixed charges		24.34			24.91			36.81			48.81			48.15

* The Company’s Series A participating Preferred stock receive dividends on the same basis as the Company’s common stock. Accordingly, these amounts are not considered by the Company to be “preference security dividends” and have not been included in the calculations of fixed charges.