Year	constant 2015 US$
1960	5439262038.50607
1961	6507419750.439521
1962	7019594013.978821
1963	7217438360.276149
1964	8352611551.8202505
1965	8410327944.770809
1966	7042080185.240771
1967	5553891342.566787
1968	7425011706.187559
1969	9439713734.402473
1970	10850320655.203468
1971	13107382959.564344
1972	14686834526.821323
1973	16131407143.776
1974	15764907508.254368
1975	15876281463.05905
1976	14217952317.65362
1977	12455615368.123154
1978	13045394708.63171
1979	14324124866.000607
1980	14104947472.23533
1981	14732755713.73441
1982	15238783328.330696
1983	17468455469.319508
1984	15459180481.11145
1985	14255529951.545822
1986	14568192959.13555
1987	16131094549.976425
1988	15939359289.910389
1989	15566322198.876556
1990	19643383302.602814
1991	27237165044.380615
1992	28833516487.28615
1993	28900800308.73463
1994	31855979246.172993
1995	39614937095.32183
1996	43583363234.85273
1997	43876191072.42402
1998	42848097337.16395
1999	43131113331.3323
2000	44528004974.05775
2001	43676919085.80253
2002	42076483083.91582
2003	40264699198.14763
2004	39786374855.280685
2005	41462662321.51284
2006	44517150379.48634
2007	48451357917.75658
2008	50650245100.981995
2009	49006700484.54187
2010	53269038634.70696
2011	59386359075.5114
2012	62554746022.89787
2013	63858893786.71589
2014	63952268256.07826
2015	63669292140.13126
2016	70753066935.38017
2017	73150951845.97577
2018	78703986964.53844
2019	81763029887.22614
2020	79204754770.37866
2021	89962970112.77394
2022	99325056644.22629
2023	97540225033.2319