Exhibit 11

STATEMENT OF COMPUTATION OF PER SHARE EARNINGS

The following computations set forth the calculation of basic and diluted net income per common share and common shares equivalents for the three-month periods ended March 31, 2006 and 2005:

		Three Months Ended March 31,
		2006			2005
Net income		$	20,137,442		$	21,570,344
Weighted average number of common shares outstanding			80,301,335			80,165,952
Net income per common share - Basic		$	0.25		$	0.27
		Three Months Ended March 31,
		2006			2005
Net income		$	20,137,442		$	21,570,344
Weighted average number of common shares outstanding			80,301,335			80,165,952
Common share equivalents resulting from:
Dilutive stock options and restricted stock awards			821,186			515,006
Adjusted weighted average number of common and common equivalent shares outstanding			81,122,521			80,680,958
Net income per common share - Diluted		$	0.25		$	0.27