Year	constant 2010 US$
2006	886407636.13928
2007	1993104324.24773
2008	3434090114.0209
2009	3903604082.43722
2010	3425380140.81009
2011	3719676871.56505
2012	3529475747.07091
2013	3712833590.03348
2014	3747460673.04599
2015	3365780126.76162
2016	3547289079.18522
2017	3876578486.12684
2018	3655181302.45613