Year	constant 2015 US$
1960	34550414088.44038
1961	37683605682.15674
1962	37343489651.29446
1963	38948384165.99864
1964	43165145722.85788
1965	43460988263.509834
1966	44282153781.06227
1967	43119839546.467064
1968	44079036603.393684
1969	46077782021.38795
1970	50437964841.61979
1971	49411390899.93017
1972	46857484589.59238
1973	41540065481.67492
1974	41384828549.03968
1975	39251900683.063385
1976	42630316746.977615
1977	39523412198.927765
1978	44532278714.395645
1979	46595193973.07107
1980	48489603393.6908
1981	48418462001.509056
1982	47493926818.5418
1983	48828332368.007744
1984	52405830772.92244
1985	53365240511.69535
1986	55178600296.98269
1987	57147535403.25563
1988	59118149475.31728
1989	59929372502.412704
1990	64152876341.11312
1991	64232411549.94763
1992	66966043389.02636
1993	70150470069.40985
1994	73225121095.36525
1995	76510383717.81906
1996	77747907636.53564
1997	79374314821.58716
1998	81749261056.50119
1999	85628071804.74759
2000	90172142516.05374
2001	94602585288.35335
2002	97118832288.54858
2003	101972620203.774
2004	108727736720.44937
2005	116910399451.35376
2006	125926356922.06395
2007	134910369956.95035
2008	141934823835.9323
2009	147104848500.5571
2010	155417901054.48462
2011	166679190864.3091
2012	176099834496.4715
2013	185297129479.95657
2014	195892995995.0294
2015	208276499308.00946
2016	218462293332.70966
2017	233559626168.63245
2018	256792806111.4784
2019	271993077011.54095
2020	280731384981.9964
2021	303107613988.34106
2022	329293037043.61945
2023	337284748627.8878