Year	constant 2011 international $
1995	37388849528.5133
1996	40268359174.1384
1997	40586736674.7773
1998	40550525089.3615
1999	39900078849.2493
2000	37275725635.3901
2001	37465606944.5108
2002	38325063058.6337
2003	36824794013.8157
2004	39238966807.9811
2005	40514753292.9451
2006	44106766172.1599
2007	48727986423.8027
2008	52509904045.9835
2009	52153441261.284
2010	57952528630.8853
2011	61234461362.9057
2012	60402291836.3682
2013	65704908917.3002
2014	69146492975.4992
2015	71226199626.9924
2016	74026438706.6777
2017	78492629294.4435
2018	81524866796.8355