Year	current US$
1960	207199996.94824198
1961	353360000.61035204
1962	395360000.61035204
1963	377580001.831055
1964	263150001.52587903
1965	266000000
1966	318340003.967285
1967	200879995.82290602
1968	167690004.825592
1969	178239994.049072
1970	136620002.746582
1971	199719996.452332
1972	267659996.03271502
1973	204519996.64306602
1974	114029998.77929701
1975	84040000.9155273
1976	157169998.168945
1977	99880002.0217896
1978	130500000
1979	554119983.6730961
1980	935899991.989136
1981	712239975.92926
1982	639699999.809265
1983	358389985.322952
1984	243259995.698929
1985	190390006.06536898
1986	358269990.92102104
1987	413719993.591309
1988	331089998.722076
1989	198160005.34035298
1990	1986679969.5584972
1991	4793210001.25445
1992	4334910058.25996
1993	5753469980.955131
1994	5425490098.95325
1995	5833949962.615971
1996	5407780021.66748
1997	4755910001.75476
1998	5684709937.09564
1999	7279829990.8638
2000	6721910048.961639
2001	6327280108.928679
2002	8151719859.600071
2003	6729569925.576439
2004	7516450002.67029
2005	4824019959.68819
2006	6007630027.771
2007	5793659950.2563505
2008	7020559988.02185
2009	7678640005.11169
2010	7156200000.76294
2011	10442530050.2777
2012	9997339969.63501
2013	8997940103.53088
2014	10380229999.5422
2015	8548860034.46579
2016	9732459959.98383
2017	9776500093.93692
2018	8219139943.12286
2019	7293069937.70599
2020	10809940140.724201
2021	9729970041.27502