Year	current US$
1960	6556833367.518338
1961	6125025698.938103
1962	7433735094.4812765
1963	7482894736.750411
1964	7508138877.375102
1965	7908059210.429412
1966	8355810546.77261
1967	9002857730.152838
1968	9503754625.705912
1969	9479063360.041313
1970	9839376402.503838
1971	10068663430.803835
1972	13789336801.040312
1973	17915439010.01768
1974	15454173486.08838
1975	17367293865.687626
1976	16974870254.028955
1977	17707943300.347687
1978	21132267441.860466
1979	25377736663.583103
1980	25298044085.687675
1981	21739287869.643936
1982	23702964367.701366
1983	20129959549.014545
1984	17825564812.729866
1985	18461819243.68521
1986	24954067620.039776
1987	28848630361.235405
1988	29030943728.66424
1989	32037836726.300636
1990	39812070834.83918
1991	33183350773.165913
1992	36338289962.82528
1993	30368311327.310635
1994	33465264650.283554
1995	39143119989.48614
1996	38604949352.48109
1997	34059339177.343224
1998	35510340226.81788
1999	33390776111.969185
2000	28656002945.882416
2001	29027352988.18901
2002	30191223481.176525
2003	34127109031.37248
2004	38634362051.351456
2005	36910914291.05057
2006	35237125383.529366
2007	42915149320.00014
2008	44400636846.09374
2009	35737115213.28123
2010	42429561916.66675
2011	47283327986.38142
2012	43792021880.85938
2013	41014941287.05894
2014	44448979241.568474
2015	39164695526.17185
2016	35539338243.968956
2017	40027993125.88242
2018	46019435338.039185
2019	41545938007.84307
2020	41815799548.638245
2021	47859586647.28606
2022	53182115371.595535
2023	58319304690.197105