Year	current US$
1960	115000000
1961	123000000
1962	165000000
1963	433200000
1964	431000000
1965	430100000
1966	394300000
1967	495600000
1968	712420000
1969	826630000
1970	1012040000
1971	1452297171.71717
1972	1748418886.06495
1973	2285755202.37801
1974	2811935427.80185
1975	3006633951.45388
1976	3363763124.64229
1977	3857669709.94044
1978	5302666624.99944
1979	5818480919.81976
1980	6566785016.54948
1981	7549238396.65926
1982	8479773882.97042
1983	9264230225.75955
1984	10415963053.0829
1985	12846550087.8735
1986	12938978724.9398
1987	15227011369.1498
1988	17072512755.8504
1989	20371048592.5303
1990	27789982289.34
1991	34186648637.5145
1992	39941405839.6469
1993	48416241487.7072
1994	58295758863.2459
1995	68816102850.1861
1996	76963971491.1019
1997	71390079571.8017
1998	75077193404.11
1999	77047140631.9869
2000	79960831788.8664
2001	75467336561.2857
2002	82009476412.0008
2003	96033752490.4118
2004	112367250698.232
2005	115960080490.524
2006	136048790221.388
2007	162745553181.672
2008	173980976508.27
2009	187591629172.212
2010	225502815357.534
2011	237527296471.038
2012	259094453708.28
2013	272864079589.929
2014	256643001243.075
2015	247534022494.842
2016	246364687061.882
2017	279689810600.258
2018	287465993957.011
2019	279239622549.322
2020	362088236299.806
2021	416101080910.8
2022	287670294059.38
2023	344581246445.917