Year	constant 2011 international $
1990	19229912854.3595
1991	18043279613.3924
1992	16858702458.9521
1993	15599480231.4999
1994	15325215445.6159
1995	15154381024.8564
1996	15333976183.6952
1997	15554782578.8978
1998	16080337562.7328
1999	16778067898.0966
2000	17541324988.5263
2001	17003287535.7878
2002	17257259770.8197
2003	17640819912.4946
2004	18465430331.4961
2005	19337687973.0658
2006	20331069869.9013
2007	21647199005.9233
2008	22831734036.4573
2009	22749856046.0965
2010	23513967031.1789
2011	24064167064.4152
2012	23954453065.0802
2013	24655055317.9762
2014	25549945390.2659
2015	26535051716.8659
2016	27290887131.7128
2017	27356527450.172
2018	28085467261.7534