Year	constant 2011 international $
1994	20962883182.9051
1995	20585805264.7514
1996	21071428367.9422
1997	22962405695.8101
1998	24459960760.1727
1999	25100555973.7896
2000	26457707514.1079
2001	28167222064.3697
2002	30167948271.3652
2003	32711314836.9264
2004	35437981794.0514
2005	39228795840.6561
2006	43892858553.0175
2007	48273045124.5249
2008	46560489227.1206
2009	39854991075.9082
2010	38284437277.2919
2011	40727375358.7929
2012	42370573601.3994
2013	43400115496.0953
2014	44206595387.1131
2015	45520284476.0574
2016	46459996714.6995
2017	48614104994.4921
2018	50932860070.0417