Year	current US$
1960	252197950.93649852
1961	267161290.20003378
1962	300766283.52490425
1963	332405184.82957274
1964	359519230.7692308
1965	400673076.9230769
1966	446538461.5384615
1967	498076923.0769231
1968	612307692.3076923
1969	675865384.6153846
1970	797019230.7692307
1971	849807692.3076923
1972	892883370.4991469
1973	1055798473.5208575
1974	1280238926.890333
1975	1535383825.5925665
1976	1863176867.293268
1977	2104058004.0208619
1978	2684044234.040317
1979	3271375158.823163
1980	3976928899.3992243
1981	4445693426.114218
1982	4789845407.736205
1983	5155495737.499759
1984	5503530995.264722
1985	5262476330.491747
1986	5496963502.214144
1987	5723483559.096764
1988	6195570327.333753
1989	6878751987.293152
1990	8026198627.955204
1991	9057838180.696283
1992	11031558581.122112
1993	14179443752.117678
1994	16211879847.722971
1995	19044898579.082886
1996	21203279857.937695
1997	18147555755.52792
1998	14851138872.0534
1999	17187811726.007133
2000	17158964407.558542
2001	16209345087.65099
2002	17690631556.740707
2003	19683103257.28691
2004	22673004592.09125
2005	25848822467.754333
2006	29942387123.715252
2007	36617253962.48429
2008	41790004539.02782
2009	45017504927.84558
2010	53897333198.04625
2011	59856748712.83964
2012	65012644173.237335
2013	68781236405.0251
2014	68906942963.6538
2015	68706535971.43424
2016	69714990343.34482
2017	74378876181.72064
2018	81962255541.01665
2019	87957506288.89069
2020	89056631351.64735
2021	92297223515.596
2022	87841098758.17851
2023	85714519279.2327