Year	constant 2015 US$
1960	3845151291.185573
1961	3894594482.2538733
1962	4372446044.678804
1963	5017888182.214585
1964	4731951656.151783
1965	4446015130.08898
1966	4589082676.667891
1967	4687174790.424361
1968	5130475689.45277
1969	5389307815.490826
1970	5737197255.710275
1971	5604157344.181576
1972	4478182989.273354
1973	4208330392.7099233
1974	5012725439.414613
1975	3871262855.920815
1976	3297701983.95156
1977	3807125704.6470833
1978	4468651771.682238
1979	5221617957.110916
1980	6365364061.362158
1981	7432066157.246887
1982	4585508470.0712185
1983	3896083735.002487
1984	4630285335.79864
1985	5092152252.1789
1986	5215275991.873621
1987	6615214835.379876
1988	7382970131.897109
1989	9348538383.521818
1990	9850214433.982222
1991	9918173963.350622
1992	12078655379.38765
1993	14628090811.174282
1994	14741329771.337946
1995	19784009235.962593
1996	21324289602.98243
1997	23260493441.388565
1998	24064066042.39234
1999	20326972938.855534
2000	23234145093.26996
2001	23998047665.312893
2002	24828767018.70447
2003	27220714057.094574
2004	29056424886.115276
2005	35969073765.75391
2006	40833046876.41941
2007	44784906072.38708
2008	56362090533.53369
2009	42400465217.274254
2010	52938439055.02851
2011	60962447179.5712
2012	68370806538.91793
2013	66885056657.877075
2014	60809006626.94441
2015	62065928391.17828
2016	59298748174.19329
2017	59302947520.0448
2018	65043386747.76119
2019	65858297491.34543
2020	54111693983.33281
2021	69142311352.99878
2022	70115302107.40823
2023	66407309899.13693