Year	current US$
1960	765315915.5990957
1961	873846522.3880597
1962	932804285.8583599
1963	835510266.6666666
1964	1008167711.1111112
1965	768380952.3809524
1966	812740740.7407408
1967	898894993.3479013
1968	997072128.7526778
1969	1125582362.008348
1970	1296830439.921493
1971	1369667842.253917
1972	1394174704.0019755
1973	1629750930.1408045
1974	2027611399.1028984
1975	2008859429.3104844
1976	2437555843.7815247
1977	2829184591.3711243
1978	3578385982.862259
1979	4308632777.337755
1980	5602866431.322615
1981	6424172129.522915
1982	6804799191.084452
1983	6655638334.971309
1984	6491521809.209711
1985	6116617269.334636
1986	6198440447.069095
1987	6336325418.87755
1988	7646688390.976067
1989	7145096528.265528
1990	9115491976.267273
1991	8693954022.347036
1992	11156244930.22035
1993	15189824668.004856
1994	19027818375.396233
1995	20715549981.10407
1996	20981071701.60787
1997	21550606271.18156
1998	18649830545.11022
1999	11430109256.195044
2000	14111663054.208164
2001	15122440463.198647
2002	16381727946.891668
2003	17139967775.421854
2004	22050562423.969063
2005	30512271667.697685
2006	36528956615.670715
2007	49654661605.64931
2008	53141828498.00587
2009	52646499704.16899
2010	63152795093.20049
2011	73410593325.56332
2012	78309280514.8077
2013	81532670374.74016
2014	86429247840.56808
2015	68603201437.92105
2016	62564990483.60938
2017	67746192353.01091
2018	70943166882.84586
2019	68705959026.06819
2020	49641567077.61394
2021	60486974112.44442
2022	65729614069.08484
2023	64075020238.926445