Year	current US$
1960	1011819993.4437901
1961	1187530006.28948
1962	1082760004.90785
1963	990869999.390095
1964	903939999.163151
1965	765419997.379184
1966	721619991.729036
1967	529929996.01177907
1968	502480004.671961
1969	539469997.951761
1970	987740005.169064
1971	982580016.590655
1972	1102860006.10888
1973	2358879971.73145
1974	3744500036.41844
1975	5850059918.49303
1976	6064029945.31393
1977	7202869883.5969
1978	7337009946.89763
1979	8409989954.993131
1980	9093279933.51221
1981	8721089925.19975
1982	7242010019.77921
1983	6521499943.01796
1984	6222880018.59188
1985	7128060012.69817
1986	6733679945.4689
1987	6493980116.00971
1988	5162470106.00567
1989	5223829966.78352
1990	13342470145.4639
1991	13148729828.8345
1992	9317259943.72368
1993	7239709974.05052
1994	8482250066.280371
1995	6049049882.65038
1996	8318089906.21567
1997	5705769965.52944
1998	6235120024.68109
1999	5385759985.92377
2000	4837909940.7196
2001	4983090020.41817
2002	4834079949.37897
2003	8397839888.572689
2004	10800989839.5538
2005	28264389896.3928
2006	17181700250.6256
2007	17946069789.8865
2008	24161569786.0718
2009	12949740184.7839
2010	12273710113.048601
2011	15597039665.2222
2012	13656700172.4243
2013	25861389801.025402
2014	32511739837.6465
2015	19311190261.840797
2016	26467300262.451202
2017	28087300094.6045
2018	32125710205.0781
2019	27683040229.7974
2020	28146170135.498
2021	34622419754.0283
2022	29572460044.8608