The BeiDou-2 system began offering services for the Asia-Pacific region in December 2012. At this time, the system could provide positioning data between longitude 55°E to 180°E and from latitude 55°S to 55°N.
Where did the BeiDou-X system begin offering services in December of 2012?
{'text': 'Asia-Pacific region', 'answer_start': 52}