Year	current US$
1960	196623927.71509397
1961	190370897.8773169
1962	211214417.78114608
1963	235531846.78004193
1964	272702811.29745656
1965	301536348.25331074
1966	332106872.42341286
1967	372404335.5263588
1968	394290054.2920796
1969	480443319.98353595
1970	531857364.0574673
1971	599268476.4731708
1972	740001794.6087967
1973	1280051323.3988042
1974	1777805727.8837686
1975	1740671760.4930043
1976	2177034909.455751
1977	2684011671.961331
1978	3300931934.740389
1979	4369540431.046379
1980	5374660879.799235
1981	5327083860.46764
1982	5199753788.657322
1983	5925963984.921917
1984	6674763807.782929
1985	6137289864.609619
1986	5458433348.492819
1987	6373137728.514969
1988	7697086776.567589
1989	9246755624.728205
1990	10664818152.41
1991	12556008146.639511
1992	15278595829.897514
1993	17343182749.665417
1994	19841487578.11309
1995	23398724082.93461
1996	28080928531.679783
1997	28381716232.521824
1998	20771759070.525887
1999	24485526315.789474
2000	28946842105.26316
2001	27219473684.21053
2002	29493684210.526318
2003	32982105263.157898
2004	37896578947.36842
2005	39543269611.61757
2006	44847890382.60695
2007	50560148756.28678
2008	56688988927.20349
2009	48137567197.41762
2010	59760261054.7309
2011	69482938415.41986
2012	72756386701.5065
2013	73838692263.0898
2014	77329002768.22107
2015	67182026140.61115
2016	65664631531.394485
2017	69713082914.05463
2018	77240634130.74672
2019	78180892076.46645
2020	75023516218.221
2021	87442723725.92345
2022	95218143393.66786
2023	92116562915.19943