Year	constant 2015 US$
1960	9583774568.666967
1961	9227278016.86252
1962	9552548895.084215
1963	9404225163.638517
1964	9443257849.751825
1965	10072981777.71028
1966	8840113927.434023
1967	8423694866.552434
1968	8453450473.39499
1969	8066309669.283529
1970	8604774452.726006
1971	9345799808.604786
1972	8667945270.088053
1973	8509301845.39148
1974	10474920906.0361
1975	12271235409.292347
1976	14504177105.424168
1977	16730595097.92145
1978	16247504336.403032
1979	15122998017.86292
1980	15686762824.966803
1981	17301997742.04948
1982	19339380394.759853
1983	20236662425.450035
1984	19933218962.59169
1985	18393089087.366306
1986	16369072708.891487
1987	16215203021.499952
1988	17067453771.299282
1989	17741171118.293453
1990	18764476867.357037
1991	19950359620.80216
1992	21132670955.328716
1993	22504636101.800255
1994	23268823160.081345
1995	23339301089.606525
1996	24164990795.28288
1997	25537059684.320354
1998	26647866872.62925
1999	27693615547.6621
2000	26591602867.08087
2001	29236681042.493065
2002	29817243043.597794
2003	31162712338.72875
2004	35390033494.66595
2005	37554634295.88537
2006	40390009248.662704
2007	41445100955.335075
2008	42099933571.08249
2009	43361601290.86927
2010	46699143922.73477
2011	38357675210.752525
2012	36597057977.819565
2013	38536701968.12692
2014	42390372212.637344
2015	44129636363.63636
2016	46336118157.969315
2017	47199191437.65929
2018	46160362749.507484
2019	45896168115.27107
2020	44337436539.02884
2021	43960305124.13701
2022	43621810779.641716
2023	39252652760.536896