Year	constant 2015 US$
1965	27678565542.355587
1966	30165166666.473656
1967	32777478750.67395
1968	37096091344.53032
1969	41263845192.31255
1970	45670872298.0014
1971	55159995688.39687
1972	65492689955.25301
1973	69016400446.5977
1974	98465290649.98598
1975	121090362783.23567
1976	135435253368.32689
1977	134083899357.86911
1978	136016023700.05894
1979	134853768327.40167
1980	126085418614.06313
1981	127418455682.16917
1982	127376175673.90665
1983	128265435063.9213
1984	125226341574.42906
1985	130713319733.77487
1986	116095650969.19984
1987	111540023367.51096
1988	114328143033.9951
1989	111148481110.42168
1990	113856290759.58128
1991	121909354502.3953
1992	125347061708.45053
1993	135765127242.40697
1994	138971103420.18576
1995	138134875401.2043
1996	140179152068.54782
1997	142280062178.06354
1998	147591633619.00922
1999	146351324346.3009
2000	156026327846.028
2001	161150514934.3021
2002	167544235623.7709
2003	172553495943.32227
2004	180819456145.39606
2005	186267988722.1843
2006	195542609578.9495
2007	194320774153.20633
2008	200123942567.5653
2009	207024037190.74323
2010	211774932250.61053
2011	229061953814.97797
2012	235640914252.56476
2013	243297253273.85587
2014	247844756001.35205
2015	245863126290.4733
2016	246796272192.44208
2017	245383039895.66556
2018	251450697377.09604
2019	265462833970.9811
2020	254643760547.60403
2021	269738440673.27817
2022	279757039343.4262
2023	279543902781.7008