Year	constant 2010 US$
1960	33566971801.1463
1961	33566971801.1463
1962	11574818035.2263
1963	19098448446.4731
1964	19677190133.9799
1965	19677190133.9799
1966	21365313738.4261
1967	21998360619.8882
1968	24952578043.2721
1969	27220992669.6977
1970	28276071508.7489
1971	20943283946.6938
1972	29014623736.0804
1973	30597239884.8139
1974	28750855056.3444
1975	28909116274.144
1976	29911439247.4887
1977	29753178079.479
1978	31546809152.0854
1979	33815225882.1306
1980	29436655693.6696
1981	29524965343.8011
1982	32536510918.4527
1983	34553775956.0527
1984	36523341370.4795
1985	37472947351.5136
1986	37360529661.1596
1987	39602159036.7281
1988	39760567122.0254
1989	42941413348.9191
1990	44401421500.7562
1991	44001812148.4661
1992	45717879164.5846
1993	44849242601.7777
1994	43324367299.6154
1995	46053801198.3806
1996	49507837152.7347
1997	52626832695.269
1998	53521485293.6812
1999	56735490688.8903
2000	60366562092.9792
2001	58797031478.5618
2002	62030868211.8743
2003	66683183327.7648
2004	68817045194.7014
2005	72877250861.444
2006	71346828588.3622
2007	70633360306.4618
2008	68938159659.0569
2009	61975405529.2663
2010	61975405529.2663
2011	60302069579.8703
2012	58010590937.1173
2013	54703987252.5502
2014	54813395229.6817
2015	55142275602.4041
2016	59939653578.0644
2017	56762851939.4104