Year	constant 2015 US$
1970	3562013563.025378
1971	3386184040.877601
1972	3581675200.3958945
1973	3669027354.3763494
1974	3798900760.260511
1975	4887752762.351797
1976	4292751344.696453
1977	4122962446.0781717
1978	3770118965.796442
1979	4508141028.782497
1980	4353335245.3893385
1981	4393961399.715163
1982	4434173001.4458275
1983	4578792635.357876
1984	4371397894.178517
1985	4784529166.156589
1986	4364824274.455243
1987	5210985342.9791355
1988	5847205132.953392
1989	6897918296.289823
1990	8446982900.809663
1991	9822586855.154078
1992	9667129631.968523
1993	10569136857.240599
1994	13032526821.28874
1995	13381757771.812635
1996	15181982027.201025
1997	17479610174.983883
1998	17567376881.559498
1999	19257211703.036316
2000	19348650161.16908
2001	21856871027.29397
2002	21856871027.29397
2003	18223258308.90427
2004	22570789817.961346
2005	22232633343.90819
2006	26804497028.74694
2007	27182983548.12937
2008	26568202049.504894
2009	21525584281.96063
2010	23933897972.651604
2011	12620402319.898914
2012	4144637624.625185
2013	2879837656.7875047
2014	2463034633.2522893
2015	2353296639.1331143
2016	2248829385.152421
2017	2923069570.2829165
2018	2502654016.9898653
2019	2770336549.865565
2020	4075229675.835292
2021	4717726976.53628