Year	current US$
1960	1947636648.9282975
1961	2118307241.51912
1962	2260477326.6729126
1963	2288004520.681458
1964	2706743191.7487674
1965	2959346214.393758
1966	3205795972.7574673
1967	3232676501.9668317
1968	3669874136.8205733
1969	3821436613.653522
1970	4153383749.04114
1971	4793631605.481415
1972	6194896948.162002
1973	7497724459.305678
1974	15031498929.102268
1975	18615108243.62401
1976	22418642868.144905
1977	26979627705.720757
1978	32040365404.45801
1979	45760683867.41652
1980	54149000000
1981	36486333333.333336
1982	39966000000
1983	38809354838.70968
1984	45420645161.29032
1985	46129032258.064514
1986	45030967741.935486
1987	54500967741.935486
1988	60425161290.32258
1989	63560000000
1990	177707096774.19354
1991	401547550.43227667
1992	547518518.5185184
1993	1031899964.7085245
1994	3991350245.4991813
1995	12890451788.087122
1996	10429801145.938658
1997	20493266653.826046
1998	20342220550.171555
1999	36235417839.37076
2000	48059388965.94236
2001	35918504942.95246
2002	32363890128.590008
2003	21945812154.532387
2004	36686105951.83053
2005	50567404667.63003
2006	66042851917.94459
2007	90320057319.58965
2008	135100234154.68143
2009	114752680325.5789
2010	140109922649.57266
2011	185512264444.44446
2012	219061676129.62943
2013	233577245128.64493
2014	227112056174.95712
2015	165257898273.68872
2016	165182357747.67148
2017	185776960050.6757
2018	225613469034.03085
2019	232469897800.3384
2020	179091897936.78403
2021	207627745713.10345
2022	285694140965.5172
2023	252096682139.46417