Year	constant 2010 US$
1960	3873980293.38039
1961	3946783096.9278
1962	4161582479.7019
1963	4448686869.07606
1964	4611466470.85388
1965	4989169904.6426
1966	5336881072.35454
1967	5638421573.20137
1968	6116182193.40398
1969	6452070683.61677
1970	6936178214.89788
1971	7406347431.65367
1972	8012041867.32081
1973	8629683429.72394
1974	9108190745.34755
1975	9299469222.36017
1976	9812573425.82342
1977	10686331517.6293
1978	11356117310.2655
1979	11917010020.6727
1980	12006613471.1926
1981	11735065236.4225
1982	10880098979.3785
1983	11191595419.172
1984	12089621112.1603
1985	12176860027.1804
1986	12851001543.1057
1987	13463291788.325
1988	13925371804.6867
1989	14714379966.2091
1990	15237191210.1453
1991	15582413393.1206
1992	17015459543.0154
1993	18221433173.1333
1994	19039077529.871
1995	19823772424.0858
1996	20069154321.8817
1997	21185991831.6196
1998	22660897078.8244
1999	23554496376.7394
2000	24457379479.1354
2001	25311056855.7403
2002	26144234370.1645
2003	27256796208.6306
2004	28438807567.1249
2005	29539637783.3646
2006	31677637820.1287
2007	34265034380.1638
2008	35858220813.1722
2009	35510199456.1221
2010	37268616183.9711
2011	38873813370.2401
2012	40738559066.7602
2013	41662928134.6668
2014	43127521114.2148
2015	44693796858.4541
2016	46591490949.2714
2017	48174288554.1301
2018	49457675613.131