Year	current US$
1960	16639999.942854
1961	18499999.4635582
1962	12529999.5914102
1963	22479999.5161593
1964	16400000.3226101
1965	26760000.0575185
1966	24919999.837875403
1967	45199999.6136874
1968	56199999.781325504
1969	16230000.1587719
1970	24539999.542757902
1971	27000000.0912696
1972	6670000.06884336
1973	22740000.1902133
1974	12819999.583065499
1975	25860000.660643
1976	11330000.001937201
1977	13490000.2721697
1978	17920000.3296137
1979	23230000.1718104
1980	56980000.9317696
1981	90819999.9500066
1982	161100000.003353
1983	233799999.31156603
1984	396839998.552576
1985	499299998.668954
1986	953159988.626838
1987	1186520005.58376
1988	1380350002.00011
1989	1094179982.44986
1990	1071850012.3973899
1991	624520000.346005
1992	695460004.691035
1993	513649994.378909
1994	381920001.251623
1995	354620003.43762296
1996	318980002.274737
1997	276919999.493286
1998	429809993.999079
1999	244800004.310906
2000	257489995.55781502
2001	194900001.134723
2002	802359994.286671
2003	696180008.113384
2004	319779998.557642
2005	872689996.35987
2006	1055059979.1407601
2007	243200004.39882302
2008	356949996.117502
2009	404070005.200803
2010	336349999.519065
2011	783220014.639199
2012	103550000.8706
2013	118079999.72253999
2014	166789999.002591
2015	208629997.994751
2016	305629999.561235
2017	342469995.809719
2018	320829999.724403
2019	309010000.32387704
2020	316259999.33295
2021	944900023.674592
2022	306279997.6933749