Year	current US$
2009	-1937134441.14031
2010	-2497185857.12236
2011	-2210073426.18394
2012	-522815961.16272
2013	1131103250.22715
2014	551423100.86103
2015	69645692.360311
2016	663186108.895801
2017	535859937.744335