Year	current US$
1960	21700000.5245209
1961	27000000
1962	27000000
1963	27300000.4291534
1964	41000000.4768372
1965	52200000.2861023
1966	19300000.1907349
1967	45400000.0953674
1968	36199999.6677041
1969	32099999.1297722
1970	30800000.488758102
1971	46399999.7377396
1972	43100000.0238419
1973	45790000.3939867
1974	78840001.732111
1975	74870000.0308454
1976	65620000.369846806
1977	65719998.1808662
1978	114719999.93920301
1979	117600001.06692299
1980	105950000.464916
1981	110249999.919906
1982	73279999.0773201
1983	118100002.702326
1984	98929999.1242588
1985	76379999.9952316
1986	82819999.5011091
1987	181200000.911951
1988	244420005.505905
1989	333279996.60559
1990	409880002.390593
1991	402420005.120337
1992	511810001.909733
1993	347530004.113913
1994	477170005.32150304
1995	425449995.543808
1996	349230002.377182
1997	204960002.22489202
1998	250830000.512302
1999	249549997.171387
2000	218220003.14108998
2001	214799999.12902698
2002	317830008.484423
2003	373220001.721755
2004	395020001.42447704
2005	439579996.680841
2006	473530007.850379
2007	431640007.730573
2008	691769982.066005
2009	899150016.831234
2010	1221019978.39473
2011	676669994.540513
2012	556380005.735904
2013	1064740024.66723
2014	655849992.526695
2015	429699987.71511
2016	319879995.502532
2017	515600003.181025
2018	555529983.643442
2019	381940011.953935
2020	740569989.12245
2021	766029986.524954
2022	35609999.293461695