Year	constant 2015 US$
1966	25702147835.28479
1967	27753956272.313965
1968	29356497489.122498
1969	31413622438.537613
1970	33360344848.40732
1971	35403184968.61627
1972	36970542731.50138
1973	37646736548.40111
1974	38262777183.91054
1975	37931057964.848465
1976	39571183382.262115
1977	40210691494.9467
1978	42819554465.27682
1979	45076603853.85674
1980	46546492371.63435
1981	47762866677.22551
1982	49325146932.22346
1983	49295765431.41544
1984	48475168455.50039
1985	49551182464.2445
1986	49936356198.80715
1987	50245843689.078896
1988	50206735983.42874
1989	49759329222.9787
1990	48992613938.51539
1991	49805892293.46338
1992	50132205670.721756
1993	52267239695.44714
1994	53338556700.97875
1995	54488217984.04228
1996	56149558617.953285
1997	56435986484.498024
1998	58178240248.398834
1999	60081153490.36674
2000	61842784900.728645
2001	63019965887.11785
2002	64362746818.32456
2003	64518980700.02912
2004	65502663911.7547
2005	66292690904.29197
2006	67975885586.37678
2007	68791837283.93355
2008	71029964145.31558
2009	73180068979.21573
2010	74353848313.26729
2011	73887061379.5673
2012	74446906974.11076
2013	74372724615.0926
2014	75812698182.34448
2015	77088408030.17932
2016	77206210939.743
2017	77885293768.11203
2018	77903420059.55124
2019	78552157788.75061
2020	77194982633.24377
2021	80756349429.90367
2022	78497666546.6462
2023	78536874580.67738