Year	current US$
1960	848430006.4463168
1961	1027379995.3777341
1962	915120007.4218211
1963	798149994.8538843
1964	732269995.7601721
1965	563330004.6958025
1966	456339996.4887651
1967	394460001.29915756
1968	359779995.95366395
1969	359350000.2752994
1970	395989997.62721384
1971	433419997.9547414
1972	457119997.01336026
1973	473629996.4357162
1974	654259997.2020831
1975	895989994.2334744
1976	1121620008.865371
1977	1469799994.865432
1978	1889399999.1435552
1979	1814800000.2242625
1980	2069019998.2114143
1981	2142639987.9157548
1982	2197229996.1410465
1983	2224660001.6597657
1984	2514820002.570748
1985	2707289998.3879175
1986	2615589988.1850924
1987	3140400017.2950335
1988	3096299983.9391565
1989	2936469994.002953
1990	5154079985.149204
1991	7947680016.273633
1992	5393639991.477137
1993	3931730001.0956817
1994	5461189973.719421
1995	4339550003.96445
1996	4920040012.516084
1997	4265670037.9494576
1998	4250440030.641853
1999	4150370027.3577075
2000	3568830010.427162
2001	3536280008.1633034
2002	3506329975.647852
2003	6661329965.304582
2004	9512579957.393927
2005	26425850122.61198
2006	14007039855.092775
2007	15025310141.593216
2008	17332629998.266697
2009	9583900058.6979
2010	8060459970.939908
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