Year	current US$
1969	36610000.6103516
1970	49540000.9155273
1971	41130001.0681152
1972	45419998.1689453
1973	45680000.3051758
1974	66519996.643066406
1975	66150001.525878906
1976	73860000.6103516
1977	90500000
1978	108810005.187988
1979	111889999.38964799
1980	33560001.373291
1981	202940002.44140598
1982	189460006.71386698
1983	245649993.89648402
1984	210160003.66210902
1985	287160003.66210896
1986	244680007.93457
1987	303830017.089844
1988	261209991.455078
1989	233000000
1990	220270004.272461
1991	270970001.220703
1992	224619995.117188
1993	327100006.10351604
1994	254380004.882813
1995	536059997.558594
1996	232679992.67578098
1997	420320007.324219
1998	274790008.544922
1999	420500000
2000	447600006.10351604
2001	405020019.53125
2002	461369995.11718804
2003	497100006.10351604
2004	427339996.33789104
2005	566650024.414063
2006	360639984.13085896
2007	451450012.207031
2008	640250000
2009	0
2010	0
2011	0
2012	0
2013	0
2014	0
2015	0
2016	0
2017	0
2018	0
2019	0
2020	0
2021	0