Year	constant 2010 US$
2006	1028386833.05896
2007	1332176168.1498
2008	1357155429.63877
2009	1246521260.08345
2010	1311560981.84171
2011	1708671215.80045
2012	1894041111.51768
2013	1907470217.32862
2014	2002099692.58336
2015	2178761521.52142
2016	5163030013.85011
2017	3084963082.64102
2018	3244109830.73326