Year	current US$
1960	21700000.5245209
1961	27000000
1962	27000000
1963	27300000.4291534
1964	41000000.4768372
1965	52200000.2861023
1966	49900000.5722046
1967	72100000.8583069
1968	70200000.62137839
1969	66499998.748302504
1970	71499999.3443489
1971	102500000.119209
1972	124779998.421669
1973	170330001.309514
1974	177020002.037287
1975	210560002.47225198
1976	189079999.454319
1977	225219998.180866
1978	319519995.361567
1979	409549998.015165
1980	467269991.248846
1981	408679992.59568805
1982	409749999.076128
1983	483180000.92171097
1984	411089995.04894
1985	397640012.741089
1986	543680001.560599
1987	762499976.573512
1988	838390008.186921
1989	906130016.120151
1990	979829997.2228711
1991	1031459999.9114901
1992	1198899981.3199
1993	1082770010.1379302
1994	1259040000.31203
1995	1326199987.02779
1996	1160249995.2241802
1997	917810013.283044
1998	1003129981.97414
1999	931279993.137345
2000	985820009.401068
2001	908929982.192814
2002	1076520011.1009202
2003	1357860015.50034
2004	1509669975.33292
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