Computation of basic earnings per share and diluted earnings per share are as follows:


	December 31
	2009			2010		2011
	(RMB)			(RMB)		(RMB)			(US$)

Numerator:
Net income attributable to ordinary shareholders		859,313,746			811,187,833		879,966,874			139,812,655
Numerator for basic earnings per share		859,313,746			811,187,833		879,966,874			139,812,655
Numerator for diluted earnings per share		859,313,746			811,187,833		879,966,874			139,812,655


Denominator:
Number of shares outstanding, opening		227,018,426			226,819,007		228,019,412			228,019,412
Weighted average number of shares issued		726,931			489,847		4,104,619			4,104,619
Weighted average number of shares repurchased		(1,467,130	)		—		(119,152	)		(119,152	)


Weighted average number of shares outstanding – basic		226,278,227			227,308,854		232,004,879			232,004,879
Dilutive effect of share options		7,682,329			6,619,546		—			—


Weighted average number of shares outstanding – diluted		233,960,556			233,928,400		232,004,879			232,004,879