Last year, it said, more than a million of its customers accessed Facebook between the hours of 18:00 GMT on the 31 December to 06:00 GMT on the 1 January.
Compared with a year earlier, the average price of a new property in December was up 2.86% from 8, 564 yuan in December 2010, a slower increase than November's 4.06% year-on-year rise.