Year	constant 2010 US$
1960	22489683079.1715
1961	22429027058.7361
1962	22377754859.0331
1963	22878656351.119
1964	23458267144.7258
1965	23783711445.3513
1966	26355733557.3494
1967	29028513985.6891
1968	32331533207.7816
1969	33683448081.9265
1970	37451163126.3603
1971	42083035695.0398
1972	50473941435.173
1973	57185840254.534
1974	63141256611.4268
1975	87475985276.9873
1976	110845433378.926
1977	116250101599.664
1978	118968317324.241
1979	121212632956.041
1980	119342784360.226
1981	111272717422.327
1982	112664618147.432
1983	116551936115.533
1984	127237502488.62
1985	128721599509.694
1986	132277154943.299
1987	114115345567.444
1988	106830281558.899
1989	107224621156.87
1990	106440279591.721
1991	123888047436.917
1992	134726674085.103
1993	139049177458.03
1994	147889769899.307
1995	143410376928.376
1996	135753439271.806
1997	139364765079.743
1998	146498482920.989
1999	151287068842.954
2000	148959114198.065
2001	165027708426.106
2002	173609582193.106
2003	189192429900.258
2004	193100309820.168
2005	223168670020.569
2006	238731658885.984
2007	258219870195.008
2008	250986312511.211
2009	254526918395.546
2010	261685669604.749
2011	269118924577.489
2012	261996325587.909
2013	258356461629.502
2014	264662479120.859
2015	259469879275.732
2016	269306089766.162
2017	276761000748.436