Year	current US$
1970	79999.9982118607
1971	39999.9991059303
1972	389999.98569488496
1973	150000.005960464
1974	59999.9986588955
1975	1929999.94754791
1976	4590000.15258789
1977	7739999.771118159
1978	18360000.6103516
1979	24799999.237060502
1980	18049999.237060502
1981	19159999.8474121
1982	26530000.6866455
1983	25549999.237060502
1984	17680000.3051758
1985	13729999.5422363
1986	16430000.3051758
1987	27610000.6103516
1988	28190000.5340576
1989	31329999.9237061
1990	34540000.9155273
1991	28500000
1992	32479999.5422363
1993	27209999.084472697
1994	28629999.1607666
1995	39139999.3896484
1996	37599998.4741211
1997	36549999.237060495
1998	34159999.8474121
1999	21049999.237060502
2000	16129999.160766602
2001	44419998.1689453
2002	37279998.779296905
2003	39380001.0681152
2004	55000000
2005	53750000
2006	55139999.3896484
2007	65699996.9482422
2008	88900001.5258789
2009	65980003.356933594
2010	54360000.6103516
2011	53880001.0681152
2012	41229999.5422363
2013	42830001.8310547
2019	2289999.96185303
2020	22290000.915527303
2021	31590000.1525879
2022	10899999.6185303