Year	constant 2010 US$
2006	1206261558.21735
2007	1160665188.53256
2008	1606510252.35428
2009	1244495810.30029
2010	1392994696.0726
2011	1801290619.95086
2012	1930831825.8666
2013	1686393314.9069
2014	1778305570.46681
2015	1918779405.75899
2016	4996931369.24926
2017	2795744298.98642
2018	2700456031.82026