Year	constant 2010 US$
1970	35612242064.7109
1971	37210356450.9074
1972	39339956279.0533
1973	42122448492.8788
1974	43423324814.7607
1975	44652338660.2999
1976	45888975495.6821
1977	48416792144.1744
1978	52677252917.4335
1979	55032008876.4191
1980	56215056319.6818
1981	56961977808.9438
1982	54514941913.7553
1983	54787309405.8603
1984	55463415641.1972
1985	57577601287.7512
1986	58833482805.1377
1987	59457595977.1523
1988	60656541016.9335
1989	63462480708.8904
1990	64942451930.5443
1991	66249076784.3362
1992	68174663858.5473
1993	69697903232.5329
1994	72699752319.8314
1995	75278753602.9579
1996	79951202297.1749
1997	85154096097.9308
1998	91683222194.3416
1999	99484594131.8355
2000	109485642122.554
2001	115987342302.209
2002	121193478956.246
2003	124694548386.66
2004	128569342320.836
2005	136729611035.648
2006	145257485413.235
2007	154915412111.218
2008	155789720585.515
2009	148952236424.612
2010	147443151837.003
2011	144972625155.004
2012	142995186201.117
2013	142983402399.402
2014	147085634182.871
2015	151139295083.369
2016	158464314587.737
2017	163519417452.727
2018	169516790838.333