Year	constant 2010 US$
1960	16487950149.6837
1961	17895939508.0365
1962	19198658633.9894
1963	21014570142.893
1964	22467675315.1316
1965	22676335954.3535
1966	22854919384.3181
1967	22943271186.5113
1968	24214033277.6281
1969	26811952227.2193
1970	27441693796.0419
1971	28338370597.0221
1972	29449347513.9603
1973	30759585942.2272
1974	31656262743.2076
1975	32323600823.6019
1976	35158377796.0934
1977	37346494769.5549
1978	41959586739.3786
1979	40607992148.383
1980	40686944822.6832
1981	44010916525.5433
1982	45458062696.6441
1983	50109326533.8107
1984	52217912469.0593
1985	53882353084.0472
1986	56842778617.2234
1987	60025986565.1538
1988	65125981903.4753
1989	70882739183.8629
1990	74266359000.3934
1991	72485107263.3807
1992	74725030062.7317
1993	81144912264.0132
1994	89925751914.2379
1995	103829588704.705
1996	113694725308.652
1997	113752922121.809
1998	117315485727.418
1999	123643218497.771
2000	132668058001.315
2001	135680054345.645
2002	144996882941.325
2003	154184770390.962
2004	165568913478.413
2005	181048083745.136
2006	213252613630.485
2007	228138847379.245
2008	238778520293.443
2009	264966862897.271
2010	285356282181.282
2011	294273824305.775
2012	310320821092.972
2013	325730879643.388
2014	351449514225.178
2015	397346689529.633
2016	428901777119.611
2017	454338952009.762
2018	491216489549.172