Year	constant 2015 US$
1960	40249974503.36111
1961	41497977525.26088
1962	45223814122.882835
1963	48013354295.51522
1964	47992502024.4553
1965	54453255966.52013
1966	59349947785.85351
1967	60134992323.06853
1968	64035982921.271614
1969	70219371517.41075
1970	91048175603.42802
1971	93672947181.80336
1972	108551044673.75333
1973	121104266311.51204
1974	125698387530.54132
1975	131099131669.31743
1976	139515430523.04755
1977	148737830422.57556
1978	168515283699.6957
1979	187637746426.74197
1980	207157779175.89627
1981	212049970793.1725
1982	208237761138.43698
1983	248824916462.8622
1984	283735631663.7737
1985	277527153974.5678
1986	253307365881.71866
1987	271605004288.32938
1988	303413200895.91815
1989	289389498266.16925
1990	290498581528.1596
1991	306597200181.1557
1992	337865296301.55115
1993	350885014235.03436
1994	368857213396.1421
1995	395841615788.5917
1996	431100513542.5159
1997	471625460432.93396
1998	503520133893.8845
1999	528069946993.4929
2000	583942090802.5421
2001	601882958451.4955
2002	623512234183.0388
2003	652244771199.7335
2004	717441060330.2352
2005	773311845433.9326
2006	822648390964.8242
2007	862842610435.1007
2008	864701256665.5782
2009	792343838320.7932
2010	899556674248.7672
2011	961923168431.0261
2012	997152666066.9985
2013	1019609168203.9984
2014	1045066539388.7313
2015	1090166091698.7626
2016	1118533797806.9092
2017	1158932153477.0037
2018	1211203139900.1038
2019	1220941179432.4155
2020	1118902035738.4763
2021	1204644473583.6504
2022	1292953879942.3313
2023	1262663679899.5178