Year	current US$
1960	974730006.3092263
1961	1147339994.959533
1962	1021920008.2905588
1963	927659993.534908
1964	851889994.9807674
1965	704110006.4702327
1966	579579995.0528896
1967	475820001.39728224
1968	439889999.1307405
1969	429349998.83919984
1970	477819999.8866768
1971	514949997.2239141
1972	558069996.5730315
1973	687099997.4645671
1974	789369999.0939355
1975	1394499995.0285993
1976	1794020006.9639828
1977	2291719996.8434863
1978	2821360000.7276974
1979	3028710000.8055563
1980	2993209995.7168093
1981	2992139988.077805
1982	3126709995.8714104
1983	3650459999.0081053
1984	3816430003.413931
1985	4729519997.669384
1986	4642799989.674241
1987	4535520017.327742
1988	4356519985.735415
1989	4152969994.8877077
1990	6562289985.295385
1991	9727520008.61801
1992	7529149983.389301
1993	5280120000.205934
1994	6834399975.493551
1995	4726360003.804782
1996	7253900012.638417
1997	5510040034.562348
1998	5385969999.611381
1999	5124490031.240511
2000	4424860001.739114
2001	3737040003.5101953
2002	4297149973.828346
2003	7140479972.613971
2004	10019829963.451252
2005	26442780122.615433
2006	14003749854.454771
2007	14891020148.18788
2008	17336579998.18399
2009	9592290058.668697
2010	8068119970.9251585
2011	9218839997.684584
2012	9612830013.176422
2013	11802519968.99955
2014	11684130042.60138
2015	10771210024.550566
2016	14525649976.786219
2017	15321680016.836157
2018	15181530081.940811
2019	15019960093.798117
2020	17031280115.071674
2021	18483980126.90245
2022	13819979954.766106