Year	constant 2011 international $
1990	255849862566.245
1991	260970972851.755
1992	271527064556.594
1993	286149910077.126
1994	302788559897.809
1995	318540945763.749
1996	325089684807.437
1997	336241215714.114
1998	338157064664.826
1999	323940890118.671
2000	333415712441.912
2001	339010089038.579
2002	347498835444.202
2003	361114784678.744
2004	380373115834.495
2005	398275589211.943
2006	425276306170.479
2007	454402012260.664
2008	469202106027.715
2009	474857971886.292
2010	495502675163.685
2011	531984212804.645
2012	552747845068.399
2013	577991119324.613
2014	605320344200.292
2015	623213286136.664
2016	636222131219.301
2017	644819570599.092
2018	661959655017.297