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Goodwill

12 Months Ended

Dec. 31, 2015

9. Goodwill

The changes in the carrying amount of goodwill for the years ended December 2014 and 2015 were as follows:

	As of December 31,
	2014		2015
	RMB		RMB		US$ (Note 2(d))
Balance at the beginning of year		—		—		—
Increase in goodwill related to acquisitions		—		136,569		21,083
Accumulated impairment loss		—		—		—
Balance at the end of year		—		136,569		21,083