Year	constant 2011 international $
1990	4292558908.93142
1991	4176659697.31825
1992	4431435997.0882
1993	4525826985.28756
1994	4756644168.73247
1995	4875560203.39673
1996	5109587138.44185
1997	4997176182.44587
1998	5062139570.86489
1999	5507607753.32691
2000	5413978501.91525
2001	5522258043.17256
2002	5698970328.95133
2003	5755959944.93851
2004	6061025838.80916
2005	6103453042.89749
2006	6216518478.53651
2007	6163637444.37168
2008	6227295135.34985
2009	6140982490.50155
2010	6322428385.20239
2011	6493459112.28588
2012	6585102187.78879
2013	6896855439.91166
2014	7283321735.71625
2015	7623001865.6945
2016	7824652340.02554
2017	8229949263.07114
2018	8641446726.22467