Year	current US$
1963	3636856945.976921
1964	4120017019.29142
1965	3250658635.693733
1966	3634580846.341049
1967	1313166440.4570389
1968	2842248444.063408
1969	4160681863.3400726
1970	8019388273.268524
1971	2137084744.0934753
1972	9227491748.496185
1973	15818522454.657745
1974	22554717336.292633
1975	15094035792.913239
1976	32957592779.60309
1977	33668831064.796387
1978	25095936631.34323
1979	28732485321.151917
1980	41325089548.07788
1981	159778038981.46173
1982	142398665161.93668
1983	93028309613.50925
1984	63085429308.095764
1985	74403311195.41824
1986	21863705602.138855
1987	9265175449.220215
1988	6464267332.668823
1989	448592286.09259033
1990	-6704978937.808044
1991	-5173863276.88623
1992	-5262197842.836609
1993	-12778924739.967834
1994	23084354408.729248
1995	82335555498.51666
1996	124433577435.97699
1997	136399020357.77094
1998	150320051541.2744
1999	-14195993918.7807
2000	-9946403519.572266
2001	-6183155872.46759
2002	13442794411.551086
2003	19960685219.616577
2004	42067847552.91797
2005	68925180398.50623
2006	125289368550.69519
2007	145318822550.3451
2008	180269738640.7522
2009	133162907632.73486
2010	235424494797.2837
2011	255725535678.677
2012	255090865382.27393
2013	297920213434.7722
2014	357709428163.59863
2015	258942368114.36694
2016	191935876951.2129
2017	167879305442.21582
2018	190052112879.6189
2019	247559170811.42773
2020	214000985625.3418
2021	165913742302.56152
2022	144945390477.58203
2023	53304293134.73193