Year	constant 2015 US$
1960	49358779714.80143
1961	53112352264.688034
1962	54696133682.164375
1963	56492956170.50093
1964	59452445094.158714
1965	62605123717.482254
1966	64090632501.79635
1967	65480648650.71191
1968	66988857872.25172
1969	73415291791.68765
1970	78899731715.71794
1971	80759336343.61443
1972	87006463097.94606
1973	93082844694.51364
1974	96095501717.88904
1975	97829927772.92653
1976	98166836909.72926
1977	98401957114.92029
1978	101275006350.29413
1979	108487737735.28514
1980	114334193866.0156
1981	115838693345.70311
1982	119439062675.78125
1983	123161478423.82811
1984	127149067752.73436
1985	131661456678.90623
1986	135289563831.24998
1987	140125930521.48438
1988	147436510957.81247
1989	154936818098.43747
1990	155975322164.06247
1991	146794102994.1406
1992	141957736303.90622
1993	141017978885.54684
1994	146606595315.62497
1995	152788801142.18747
1996	158391841239.84375
1997	168424056796.87497
1998	177615261582.81244
1999	185394056458.9843
2000	196097527314.8437
2001	201215710279.2968
2002	204650762188.6718
2003	208751521832.42178
2004	217085073153.9062
2005	223119713766.01553
2006	232105658667.1874
2007	244405718572.65616
2008	246321847334.76553
2009	226432719257.42178
2010	233646772072.26553
2011	239599308730.46863
2012	236250798826.56238
2013	234120534076.56238
2014	233266209150.78113
2015	234534382384.7655
2016	241128217493.74988
2017	248826017928.90613
2018	251661932877.34366
2019	254744159687.4999
2020	248745023487.89053
2021	255804854010.93744
2022	259221044201.17178
2023	256537132518.7499