Year	constant 2010 US$
1970	15180905426.534
1971	15901487616.5165
1972	15970445027.9135
1973	16328176791.0181
1974	18538336717.2618
1975	19832582518.0999
1976	21218431709.7574
1977	23198092181.2761
1978	22918995034.9492
1979	24012295973.2895
1980	24685466211.1283
1981	23348502586.0233
1982	24838467165.6265
1983	25747997561.2435
1984	26953339546.8723
1985	28169520650.8443
1986	31979685217.5358
1987	32467735706.3682
1988	35865386511.7799
1989	36449864737.2539
1990	37573716987.3852
1991	40705303535.5302
1992	40095837755.1472
1993	39478717728.7498
1994	42998763123.91
1995	41890262335.806
1996	46807921297.2122
1997	46301507102.7165
1998	49655807970.7327
1999	50569345578.5677
2000	50572901224.8736
2001	53880265215.8613
2002	56040326534.9761
2003	60567175803.5235
2004	63012369847.1526
2005	64557737618.7879
2006	68628792368.4109
2007	71278808117.5434
2008	76212745286.5899
2009	79272529230.4899
2010	81157990812.0496
2011	83915444243.8265
2012	87170273193.6922
2013	90035390887.5195
2014	92302245250.8335
2015	98454689443.7971
2016	100681577061.805
2017	104341384950.938