Year	current US$
1965	3954255311.577136
1966	4266972919.506827
1967	4652469860.970524
1968	5068470585.578547
1969	5772589552.847376
1970	6446212832.019188
1971	6956292290.910558
1972	7267971124.8187685
1973	9865655930.479689
1974	12109596684.4456
1975	13556605955.52849
1976	13309448215.800608
1977	13727546044.627497
1978	15510674509.613867
1979	19479776922.012447
1980	27083138936.129993
1981	30569668439.941776
1982	27797474656.50987
1983	30115017671.734665
1984	26658492224.733295
1985	20056044470.01382
1986	23128755485.091106
1987	30343568013.594147
1988	33656562937.58761
1989	36331452304.73834
1990	42620013967.171074
1991	44166842317.05911
1992	42540493667.99849
1993	40103654559.8003
1994	40813219131.96078
1995	46006507567.03954
1996	43841309411.24165
1997	45385116193.60011
1998	41599009593.437645
1999	39274062958.80561
2000	41990518986.98545
2001	38441560243.04781
2002	37811293459.83738
2003	51533906305.045265
2004	63820744710.611015
2005	70174215743.64667
2006	71036605273.71664
2007	79186692306.01991
2008	79934568508.45822
2009	84063672475.59306
2010	96452019193.61626
2011	101861254400.4338
2012	100793950175.28455
2013	98076863961.70195
2014	98179848314.10956
2015	92818944732.66054
2016	88561327242.25656
2017	100601555322.31508
2018	109667450248.39967
2019	108000030668.09694
2020	96187622189.11992
2021	111709257870.96683
2022	123084838264.64006
2023	122195627154.55202