Year	constant 2010 US$
1970	35882602344.2254
1971	37399402643.7727
1972	39517051625.1112
1973	47686244465.3949
1974	50330369927.5871
1975	52538048315.3806
1976	51994006726.4424
1977	50955788792.383
1978	55141264758.3897
1979	56401958023.255
1980	56588632660.0205
1981	62356350657.6
1982	63625315574.4556
1983	65920784840.7652
1984	64359999732.547
1985	65768752853.389
1986	69347846722.6981
1987	77636233994.6108
1988	79320875587.5608
1989	77201682412.9608
1990	82200053116.1615
1991	87436237819.1884
1992	92374973649.1953
1993	98165860616.8803
1994	104588038646.955
1995	110482052808.591
1996	115467014088.086
1997	119565215520.296
1998	125272254561.745
1999	129696344452.691
2000	137938326653.695
2001	143178838184.262
2002	147016675372.261
2003	145789144912.71
2004	150299336235.198
2005	154781412740.123
2006	161866547382.638
2007	172072362692.984
2008	175276504924.478
2009	178086853375.591
2010	185638020874.705
2011	192066461343.015
2012	198124640870.827
2013	205361103751.697
2014	213856625652.752
2015	221970153558.128
2016	234750629410.467
2017	242674589961.152