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	17940000.3291667
1979	23390000.1682341
1980	57050000.932067595
1981	90849999.9493361
1982	161170000.00365102
1983	233899999.313056
1984	396989998.558536
1985	499399998.670444
1986	953479988.6196849
1987	1186670005.58972
1988	1380510001.99653
1989	1094239982.4485202
1990	1072330012.38666
1991	624520000.346005
1992	695460004.691035
1993	513649994.378909
1994	381920001.251623
1995	354620003.43762296
1996	318980002.274737
1997	276919999.493286
1998	442559993.999079
1999	244810004.310682
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	356999996.11824805
2009	404070005.200803
2010	344659999.938682
2011	783220014.639199
2012	103550000.8706
2013	118079999.72253999
2014	166879999.006167
2015	208629997.994751
2016	305629999.561235
2017	342479995.809495
2018	320829999.724403
2019	309010000.32387704
2020	316259999.33295
2021	944900023.674592
2022	306279997.6933749