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 years ended December 31, 2005, 2004, and 2003:

		Years Ended December 31,
		2005			2004			2003
Net income		$	99,033,753		$	89,444,959		$	78,468,948
Weighted average number of common shares outstanding			80,141,068			79,984,651			79,808,669
Net income per common share - Basic		$	1.24		$	1.12		$	0.98
		Years Ended December 31,
		2005			2004			2003
Net income		$	99,033,753		$	89,444,959		$	78,468,948
Weighted average number of common shares outstanding			80,141,068			79,984,651			79,808,669
Common share equivalents resulting from:
Dilutive stock options and restricted stock awards			571,855			504,851			581,332
Adjusted weighted average number of common and common equivalent shares outstanding			80,712,923			80,489,502			80,390,001
Net income per common share - Diluted		$	1.23		$	1.11		$	0.98