Year	current US$
1970	4850000.036880374
1971	4969999.9876320325
1972	19020000.357180882
1973	16359999.665990476
1974	10220000.162720682
1975	14119999.93398786
1976	16379999.89837407
1977	15799999.926239248
1978	33870000.09417535
1979	82570000.88877971
1980	303629992.98982334
1981	293920002.28911686
1982	212940001.12824145
1983	229349994.92950726
1984	253179999.26954514
1985	282669998.3514844
1986	271620001.84133655
1987	253720004.11152834
1988	305160003.7887693
1989	288049996.6349453
1990	282089996.79982674
1991	340939996.2779135
1992	418199995.0334429
1993	402859995.9015847
1994	582850002.8066337
1995	467549999.41401243
1996	181189998.35848802
1997	172960000.82232058
1998	150779998.84262687
1999	165100000.11697415
2000	223099999.26388267
2001	263449997.42507938
2002	323409997.38126993
2003	273840000.94793737
2004	227690000.99040568
2005	66620000.16495587
2006	35399999.493733056
2007	51969999.69333409
2008	67519999.77976084
2009	87169998.45951793
2010	101179998.47047031
2011	99670001.38759609
2012	173550601.27750033
2013	126900389.62010291
2014	3656099.889427423
2015	114740585.08407329
2016	161517854.66074952
2017	210359708.01115054
2018	114788730.83740477
2019	193484772.22397923
2020	179730517.40569645
2021	364282838.28496933
2022	214580000.26643273