Year	current US$
1960	6218326869.109363
1961	5839712658.680468
1962	5006349858.551648
1963	5151416716.3518505
1964	5907616294.24652
1965	6679248516.588019
1966	7003334049.971449
1967	7278035121.125022
1968	7500265201.159374
1969	7761591313.792361
1970	8610386758.36801
1971	8989000968.796906
1972	10766841609.07172
1973	16298930221.77871
1974	24718981031.96915
1975	26435091094.456646
1976	26706705636.72085
1977	30400251874.32883
1978	38449919217.79535
1979	49595375037.29597
1980	64836654692.98526
1981	71747652886.62701
1982	71861768441.96814
1983	75842799701.54424
1984	79077074783.18625
1985	86602695353.84076
1986	86735830168.40541
1987	97346574787.84381
1988	123622181911.96063
1989	144550106363.82404
1990	160193039762.17728
1991	186083894874.0553
1992	212661878837.89423
1993	252622372320.27322
1994	296835663296.8848
1995	365631564060.2436
1996	386114405049.0464
1997	394812036048.54
1998	328277559352.5518
1999	367945998068.15845
2000	475017076279.6107
2001	478520733293.3211
2002	549179983476.18964
2003	693251000000
2004	907256000000.0001
2005	1069497000000
2006	1248170000000
2007	1476821000000
2008	1763279000000
2009	1495765000000
2010	2050328000000
2011	2548240000000
2012	2679855000000
2013	2837329000000
2014	2842762000000
2015	2492731000000
2016	2394691000000
2017	2787788000000
2018	3202637000000.0005
2019	3120942000000.0005
2020	3014322000000.0005
2021	3904358000000.0005
2022	4119790000000.0005
2023	3862070000000.0005