Year	current US$
1969	4749999.93480742
1970	6210000.00834465
1971	4409999.9908357905
1972	5160000.08024275
1973	7930000.038817519
1974	5939999.98830259
1975	5980000.03956258
1976	6750000.00745058
1977	8440000.04604459
1978	11610000.1540035
1979	10889999.7211993
1980	2589999.99240041
1981	16729999.991133798
1982	16130000.0008196
1983	21479999.5739013
1984	18729999.944567703
1985	25099999.4762242
1986	21270000.407472298
1987	17209999.9971688
1988	13170000.1321733
1989	30549999.702721797
1990	17360000.0198931
1991	23709999.948739998
1992	18960000.038147002
1993	27510000.2810359
1994	26019999.8281896
1995	63379999.384284
1996	26670000.2104044
1997	42289999.7755885
1998	27940000.526607
1999	58899999.7675419
2000	50040000.4461408
2001	28440000.012517
2002	52059999.121353
2003	63609998.3900785
2004	57539999.8053908
2005	65489999.234676406
2006	54089999.6124208
2007	59860001.5416741
2008	71929998.9491701
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