Year	current US$
1969	7971925997.783281
1970	8662887319.656662
1971	9773899122.807016
1972	11825208047.23977
1973	15114239318.93426
1974	20553530617.26371
1975	19208719937.26037
1976	20406351058.50975
1977	22308820149.052708
1978	26580435933.99878
1979	30668799296.935078
1980	31867577033.91709
1981	26008184226.795017
1982	24828956837.50103
1983	23681125781.79291
1984	23805851648.35165
1985	23154252919.320595
1986	33242772081.30959
1987	41221610095.73542
1988	44512612331.36359
1989	43882358931.726074
1990	53162933559.23998
1991	52414493163.60207
1992	56631631578.947365
1993	54326268391.07736
1994	57632235137.42584
1995	69418062036.78287
1996	66158169934.64052
1997	59313304721.030045
1998	62051766274.1613
1999	60948557724.710556
2000	55746482621.17659
2001	56637820063.779594
2002	59433090941.96089
2003	70635310688.23515
2004	80760357905.40561
2005	84310753668.48245
2006	87552905964.70576
2007	101867632654.90228
2008	109068284051.56247
2009	91539570347.65619
2010	88714307900.00017
2011	97797384114.78618
2012	90059831532.42189
2013	90244292646.66692
2014	92434427570.98007
2015	82695324276.95308
2016	85078787059.14418
2017	92162779420.00015
2018	101067267903.52934
2019	98068206007.84299
2020	98498423651.36214
2021	114208952562.01367
2022	115188778330.73975
2023	130225830952.94348