Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2014

Basic and diluted earnings per share for each of the years presented are calculated as follows:


			Year ended December 31,
	2012		2013				2014
	Ordinary shares		Class A		Class B		Class A		Class A		Class B		Class B
	RMB		RMB		RMB		RMB		US$		RMB		US$

Basic earnings per share:
*Numerator:*
Net income		212,881		142,053		314,109		270,988		43,675		477,692		76,990
*Denominator:*
Weighted average ordinary shares outstanding		100,000,000		31,109,214		68,788,940		38,633,284		38,633,284		68,102,019		68,102,019

Basic earnings per share		2.13		4.57		4.57		7.01		1.13		7.01		1.13


Diluted earnings per share:
*Numerator:*
Net income		212,881		155,394		300,768		296,797		47,835		451,883		72,830
Reallocation of net income as a result of conversion of Class B into Class A ordinary shares (Note 13)		—		300,768		—		451,883		72,830		—		—

Net income		212,881		456,162		300,768		748,680		120,665		451,883		72,830

*Denominator:*
Weighted average ordinary shares outstanding		100,000,000		31,109,214		68,788,940		38,633,284		38,633,284		68,102,019		68,102,019
Conversion of Class B into Class A ordinary shares (Note 13)		—		68,788,940		—		68,102,019		68,102,019		—		—
Dilutive effect of share-based awards		650,652		4,431,072		—		6,096,282		6,096,282		—		—

Weighted-average number of shares outstanding- diluted		100,650,652		104,329,226		68,788,940		112,831,585		112,831,585		68,102,019		68,102,019

Diluted earnings per share		2.12		4.37		4.37		6.64		1.07		6.64		1.07