Year	current US$
1965	63279974.68801013
1966	67759972.89601085
1967	97209909.8875182
1968	142799885.7600914
1969	184079852.7361178
1970	212639829.8881361
1971	252887391.7228104
1972	291318044.7816809
1973	304269468.113016
1974	1354950781.7023742
1975	1801389403.5900407
1976	2345396641.5749855
1977	2581644759.6988997
1978	2627099305.1534452
1979	3584250144.759699
1980	5724956861.609728
1981	7020556166.763173
1982	7401853213.665316
1983	7749276491.0248995
1984	8606039427.09404
1985	9679931382.909422
1986	7252959825.332084
1987	7721716254.876463
1988	8071521456.436931
1989	9121976592.977894
1990	11379937581.274382
1991	11159924057.217163
1992	12055676723.016905
1993	12107013784.13524
1994	12499412743.823147
1995	13406047854.356306
1996	14791601040.312094
1997	15300702470.741222
1998	13494964109.232769
1999	14935458777.63329
2000	18670001300.390118
2001	18593743042.912872
2002	19177866579.97399
2003	21092745903.77113
2004	24373595838.751625
2005	30059885045.513653
2006	36549979973.992195
2007	41281738361.50845
2008	58146024707.412224
2009	45465086605.9818
2010	61422626788.03641
2011	73359687906.3719
2012	82904291287.38622
2013	86700650195.05852
2014	88413003901.17036
2015	76448114434.33029
2016	73063719115.73473
2017	77933420026.0078
2018	86577373211.9636
2019	82211703511.05331
2020	70601205201.56047
2021	82215384395.31859
2022	106160208062.41872
2023	100550975116.24992