Year	constant 2015 US$
1960	42162423824.201965
1961	43560382084.18607
1962	44902422331.78042
1963	47642420839.3588
1964	50550173384.10659
1965	53639664438.02099
1966	56991318628.006874
1967	54375745350.10161
1968	54349183598.57044
1969	59889904546.14122
1970	59052878688.737434
1971	61288300384.434784
1972	64425714494.42847
1973	69451099813.50398
1974	73613610013.56444
1975	72338855636.48116
1976	73010748065.20064
1977	70136798061.33305
1978	70360213392.84161
1979	71902247947.13997
1980	72825593891.1069
1981	76215882424.72849
1982	76924405934.55258
1983	79610077581.54782
1984	83426105754.9818
1985	84773628550.0096
1986	87067151100.96062
1987	87913160968.63612
1988	87601472829.0242
1989	87742865112.71117
1990	87877226590.42172
1991	86918728011.29726
1992	87869415436.11288
1993	93486046130.5113
1994	98271508917.51945
1995	102912455238.062
1996	106628492825.88605
1997	108845461043.60254
1998	109780524765.07607
1999	115682283163.93237
2000	119003047472.93356
2001	123062801652.74841
2002	128863789117.66238
2003	134957716138.70529
2004	140475137990.5507
2005	145185608535.71362
2006	149221146114.82065
2007	153772257535.87054
2008	151866196412.07132
2009	151787298244.39056
2010	153980049861.39923
2011	157431269722.27548
2012	161035600341.7075
2013	165480472114.22794
2014	171693137607.00153
2015	178104220784.8812
2016	184780121689.70868
2017	191057624435.57248
2018	197743680329.155
2019	202414311267.63022
2020	201554239788.00192
2021	210717394654.7186
2022	216564470789.23975
2023	217933683113.80746