Year	constant 2010 US$
2000	2028112821.81144
2001	1623620323.2886
2002	1782804824.4522
2003	1420810435.08532
2004	992849937.723155
2005	1298440953.83324
2006	1568168996.59555
2007	1691794713.48905
2008	1793105426.68757
2009	3270832103.74285
2010	3466445700
2011	3619492853.55464
2012	3714678410.34153
2013	3909948712.53811
2014	4118327257.36837
2015	4304745146.83141
2016	4181756322.66975
2017	4308005169.84317
2018	4461182011.59327