Year	current US$
1960	918020000.50312
1961	1051260000.01562
1962	727135000.51803
1963	663385000.50507
1964	178180000.01562
1965	739430000.01562
1966	1157690000.01562
1967	1404970000
1968	948815000.01562
1969	1055075000.01562
1970	1478765000.26573
1971	7989091694.16575
1972	4845968489.48363
1973	5589118325.59681
1974	6037666733.30558
1975	4598682027.07813
1976	3374874859.94223
1977	20112072980.6716
1978	16026060971.547
1979	19741871008.5124
1980	20651489531.2903
1981	15237476991.4455
1982	12397351684.6915
1983	11339808095.7146
1984	9439873447.56258
1985	12858925746.9244
1986	18422772387.5576
1987	41715187958.4049
1988	44103206618.1319
1989	34768468893.7367
1990	35853462847.3062
1991	41891984608.5626
1992	36641027073.8515
1993	36776667128.3929
1994	41012669124.0768
1995	42015608297.8559
1996	39896220859.8396
1997	32316815332.0776
1998	32211547268.0808
1999	40223847062.8714
2000	46637804196.7188
2001	44259386923.1977
2002	51500476301.1828
2003	52147821670.2592
2004	57741092620.8023
2005	54008878382.056
2006	57482629544.0752
2007	69398715812.1674
2008	56109864468.5656
2009	68605677600.2467
2010	84005597614.4247
2011	94462174591.2878
2012	100558576864.591
2013	106735306279.676
2014	112457575221.296
2015	137534739505.898
2016	123500303536.683
2017	137923734964.22
2018	159871954949.434
2019	158375688711.634
2020	161188410120.185
2021	176024004961.702
2022	158329888611.581
2023	157340769137.404