Year	current US$
1960	27269999.921321876
1961	13539999.86127019
1962	7529999.950900673
1963	11229999.808594588
1964	15749999.878928063
1965	24780000.692233406
1966	13260000.210255384
1967	13949999.652802939
1968	20980000.0153482
1969	3809999.959543341
1970	479999.86074864585
1971	529999.9266862855
1972	13690000.02555549
1973	21420000.456273556
1974	35850000.76144936
1975	62599999.817088224
1976	57490000.44539574
1977	57530000.53763387
1978	124570001.55001873
1979	171730002.07543373
1980	328419996.76823616
1981	341419997.93052685
1982	398589994.9073791
1983	475289994.9848652
1984	336970001.23560417
1985	709260003.9839745
1986	554889998.2944131
1987	497959998.81252646
1988	557960000.9322166
1989	503369997.32255924
1990	507599995.4622238
1991	511870009.3552474
1992	268419999.89748
1993	197810001.77189705
1994	209120000.57473782
1995	153340000.68716702
1996	142299998.92413598
1997	107309998.68549405
1998	167089999.4224309
1999	178179994.54773962
2000	104210000.9005517
2001	128989999.46378177
2002	249390002.07372054
2003	579270007.6103209
2004	918319980.5021288
2005	1685849996.4885414
2006	1832800044.290721
2007	1939259997.2262976
2008	2100959974.385798
2009	2137460025.273263
2010	1792999994.4213777
2011	1477769985.5584662
2012	1054069982.4839836
2013	1192520001.260564
2014	634669994.4995344
2015	586689992.6941838
2016	591830006.3833598
2017	483299992.8034835
2018	727249987.9356476
2019	693959989.264608
2020	909830003.0902033
2021	1548079987.3694787
2022	1216540030.736476