Year	current US$
1970	81620000.53562227
1971	90099999.2247671
1972	96600001.67228284
1973	85859999.36610465
1974	102649998.01851808
1975	108700000.31031665
1976	119309999.53858551
1977	120630000.4646182
1978	189129998.8832324
1979	311160003.50564706
1980	364579999.5325507
1981	357420002.9838829
1982	298619996.7097491
1983	235979999.95946884
1984	202780000.05893412
1985	241760001.35391936
1986	227140000.88907778
1987	297000001.34110445
1988	470229998.4525888
1989	407260002.2647529
1990	402059995.2936173
1991	546920010.51642
1992	548099992.8899113
1993	380170004.4050812
1994	546250000.8624047
1995	515780002.39282835
1996	507620004.6315787
1997	533669997.83925724
1998	674920005.6064882
1999	604119992.3288078
2000	898860007.9696624
2001	908780003.1602385
2002	596519998.6230583
2003	1088090007.8304107
2004	1677469994.3251913
2005	1313070005.3758924
2006	1697600008.4429984
2007	1685420018.449425
2008	1886820007.5104842
2009	1930340023.215859
2010	2003980016.4289765
2011	2458489973.1557817
2012	2276120012.4304743
2013	2613559996.098279
2014	2601000008.771196
2015	2682509995.499625
2016	2266760018.844158
2017	2380880029.4771795
2018	2252919982.418418
2019	2343250001.0207295