Year	current US$
1970	5310000.099241743
1971	569999.9816715728
1972	679999.9605864302
1973	3009999.9420344806
1974	11499999.89941717
1975	3140000.002458683
1976	9769999.995827673
1977	46740001.11035999
1978	96700001.3589859
1979	34610000.48182909
1980	120070000.557229
1981	201609998.91161928
1982	126010003.04333867
1983	92269999.3513524
1984	107469999.64490536
1985	140470001.93409625
1986	106350000.58449806
1987	100800000.10505326
1988	84249999.08357857
1989	126669997.60642642
1990	14879999.225959405
1991	240740002.2372602
1992	73099993.72437613
1993	153639995.85434794
1994	262639997.4059317
1995	442099998.9341951
1996	368349996.0415069
1997	277119995.4450132
1998	279749998.6514447
1999	300160003.2579158
2000	275450003.517792
2001	317860000.81896746
2002	290429998.6064434
2003	218070000.0748039
2004	272430002.2218377
2005	997789985.2432308
2006	430059992.31152207
2007	771780008.1744791
2008	908530006.0175362
2009	163889999.60944062
2010	166149999.26462775
2011	171879999.38800922
2012	179139998.61665067
2013	172549997.5141138
2014	174549998.23681995
2015	162490001.71571964
2016	168700002.07982954
2017	207200001.05910003
2018	195330001.42499807
2019	172739997.46330073
2020	192900000.46044588
2021	251459999.02300537
2022	312159997.55263335