Year	current US$
1960	2975705264.4703145
1961	3308535957.8261333
1962	3726842298.8182473
1963	4032707051.317225
1964	4649845152.385453
1965	5251116326.176507
1966	5690783525.285131
1967	6075065202.230692
1968	6943103559.497868
1969	7655619432.603464
1970	8410893220.071237
1971	9739902250.825125
1972	10379103543.524569
1973	12792887089.989708
1974	15520838281.401
1975	18914269964.48032
1976	19820356822.42282
1977	22326445247.22021
1978	26825401142.396614
1979	32735427562.216927
1980	42209507958.47407
1981	42531808622.03128
1982	41220212028.386566
1983	42083039511.79344
1984	41500401071.09619
1985	36506554072.81838
1986	44745349043.844345
1987	55783544160.31433
1988	57330297778.746635
1989	57473301557.70836
1990	69183206975.66672
1991	74593938648.75356
1992	75034597510.02615
1993	73996845133.52634
1994	70749545804.57532
1995	74148043727.06154
1996	76326202420.3041
1997	79082301297.66202
1998	75694412199.96423
1999	74199687754.4536
2000	73691858070.61592
2001	70001957114.07411
2002	70851741225.50949
2003	97628853592.11417
2004	119702144244.3574
2005	132347703417.47343
2006	145066935577.19412
2007	168854853933.6592
2008	186663588861.7395
2009	194809020128.86697
2010	226787415923.15204
2011	265442100699.8377
2012	269206676156.95813
2013	281743681019.13654
2014	279631059877.9307
2015	247209669016.26556
2016	233155993272.99243
2017	259478159065.28687
2018	272121327230.88474
2019	269509827837.04602
2020	265342721415.65234
2021	299612459213.216
2022	312314870888.9983
2023	319238870615.1282