Year	constant 2010 US$
1965	14042436925.6474
1966	14363060328.2072
1967	14544957022.7177
1968	14818010186.9267
1969	14986170979.369
1970	15609757338.9723
1971	16519062437.9242
1972	16632755304.9377
1973	17300225205.132
1974	17734065774.7962
1975	18079960864.0802
1976	18265068556.4413
1977	19679807432.5383
1978	20871441890.855
1979	20420119257.8076
1980	21885223125.2198
1981	23583161172.2892
1982	23050419994.966
1983	23511713861.2121
1984	23843224257.2796
1985	24564768914.9428
1986	24237489542.3774
1987	24541369481.4597
1988	23710494257.4835
1989	23375901608.3421
1990	25073559603.8099
1991	25635614827.7613
1992	25064399779.2471
1993	25797371020.6049
1994	25826923551.9784
1995	26191170048.9304
1996	27218829079.9534
1997	27213647932.4416
1998	28047868711.2165
1999	28427589503.6137
2000	28674721971.5804
2001	30209527950.7371
2002	29935669818.4131
2003	31082561458.7446
2004	31815382948.8561
2005	30655583340
2006	32580482803.0622
2007	33958284278.3345
2008	33943124877.7613
2009	33223823981.2522
2010	34052257755.6189
2011	32770666955.5661
2012	34853730374.7812
2013	35648478421.976
2014	36996223729.4497
2015	37761479321.6027
2016	39091330394.7988
2017	40329894121.4191
2018	41283870054.9703