Year	constant 2010 US$
2007	5595974758.31927
2008	5894882844.47293
2009	6553946410.42914
2010	6979214378.01473
2011	7218072263.25015
2012	7848974896.82876
2013	8539084764.15946
2014	9126422137.17271
2015	8806997440.83935
2016	8410682556.00158
2017	8427508195.21045
2018	8511783389.25926