Year	current US$
1969	7559999.94277954
1970	7670000.07629395
1971	8699999.80926514
1972	22110000.6103516
1973	25860000.6103516
1974	27899999.6185303
1975	49450000.762939505
1976	60380001.0681152
1977	62130001.0681152
1978	109380004.88281299
1979	235419998.168945
1980	435129974.36523396
1981	417710021.972656
1982	350570007.324219
1983	345139984.13085896
1984	383880004.88281304
1985	407700012.207031
1986	378850006.10351604
1987	387610015.86914104
1988	452320007.324219
1989	452199981.689453
1990	436319976.80664104
1991	753479980.46875
1992	1002159973.14453
1993	1232229980.46875
1994	960150024.414063
1995	884719970.703125
1996	284799987.792969
1997	268860015.86914104
1998	242279998.779297
1999	259089996.337891
2000	496889984.13085896
2001	550489990.234375
2002	635289978.027344
2003	538599975.585938
2004	352180023.19335896
2005	221379989.62402302
2006	181690002.44140598
2007	254610000.61035198
2008	274890014.64843804
2009	297110015.86914104
2010	390130004.88281304
2011	435880004.88281304
2012	417948913.574219
2013	414042724.609375
2014	480081878.66210896
2015	457315216.064453
2016	492859344.482422
2017	507315856.933594
2018	477078735.35156304
2019	667981262.207031
2020	617110168.457031
2021	591005920.410156
2022	291773600.1014709