Year	current US$
1960	445713376.03734225
1961	525964886.28787315
1962	519061302.68199235
1963	535813730.1968315
1964	674951923.076923
1965	739759615.3846153
1966	929903846.1538461
1967	1024038461.5384614
1968	1030048076.9230769
1969	1075384615.3846154
1970	1064423076.9230769
1971	1179182692.3076923
1972	1487497926.0846224
1973	2016289601.592848
1974	2958365412.9257655
1975	2732924326.186577
1976	3436992450.479294
1977	3947627127.1767597
1978	4773874325.872562
1979	6178088809.3287525
1980	7800900873.314696
1981	8309867952.726716
1982	8385609881.271904
1983	8053089819.199173
1984	9154262958.541744
1985	9030266961.970863
1986	11033548459.073338
1987	14601717480.479183
1988	20357574271.529263
1989	25231065262.27523
1990	29129276618.104454
1991	35329436945.35305
1992	41206839587.58003
1993	47453533152.62229
1994	56094977835.345375
1995	70305503762.04446
1996	71417458048.93665
1997	72442635000.6348
1998	65860574771.09127
1999	71490257382.14786
2000	81953035120.36095
2001	76088350937.05199
2002	81447794223.3026
2003	93686920141.98901
2004	114062494755.72266
2005	129498934986.0381
2006	152293268280.06866
2007	181094565788.38846
2008	208095289025.84586
2009	181530421334.51614
2010	226787505595.97775
2011	262743281924.9729
2012	274121377628.7121
2013	282342912104.2797
2014	278596013717.1888
2015	271423493717.84402
2016	277248464807.2864
2017	304266013738.26154
2018	328569784686.7428
2019	323768892197.35657
2020	257709985018.37738
2021	296424506130.06006
2022	323968095968.7862
2023	337011444883.5388