Year	constant 2010 US$
1960	27434399198.5661
1961	23701828112.4837
1962	19036113335.2005
1963	25568113635.8175
1964	27061141389.0302
1965	28740798889.5036
1966	27359811853.9881
1967	29946124625.8101
1968	33179179683.712
1969	35977272901.7645
1970	39165815236.0404
1971	34727655043.5586
1972	44251356563.9066
1973	45938738803.5353
1974	49381809470.8621
1975	51873290453.4046
1976	56223777003.7627
1977	59180352662.8655
1978	64633724928.158
1979	69466922771.1721
1980	70016133106.5164
1981	72116614360.2801
1982	76732080647.514
1983	80875615322.4914
1984	85404646973.9496
1985	88564616567.7931
1986	88918875921.9762
1987	88296445990.496
1988	87413476682.8251
1989	91259671545.3277
1990	91989749446.9795
1991	90885871916.0363
1992	92521819701.8253
1993	90578860785.6483
1994	89763654164.5903
1995	93174668346.0474
1996	96994828322.4354
1997	98061771373.7004
1998	103062925254.282
1999	106360940460.508
2000	110423586430.994
2001	113745564598.73
2002	120125920931.173
2003	128777236288.584
2004	134316749131.751
2005	142251902308.528
2006	144648118986.031
2007	149526919452.577
2008	153055956405.236
2009	155554202821.621
2010	161207268655.392
2011	165869166838.539
2012	171466867482.163
2013	176212451150.234
2014	182889354514.369
2015	189772334940.908
2016	196034821993.495
2017	199171379146.415
2018	203353978108.49