Year	constant 2010 US$
2007	5172334113.88536
2008	4917412060.54728
2009	4767059488.8935
2010	5536211541.01644
2011	5113156272.34062
2012	5716132358.27552
2013	5596461734.56011
2014	5954635847.9365
2015	6556054128.94957
2016	6162690881.2126
2017	6354217634.59166
2018	6608386284.84154