Year	current US$
1965	180000.00715255702
1966	330000.013113022
1967	250000
1968	1070000.05245209
1969	1080000.04291534
1970	159999.99642372102
1971	170000.00178813902
1972	1679999.94754791
1973	1340000.0333786
1974	5539999.96185303
1975	8109999.65667725
1976	5449999.80926514
1977	7920000.07629395
1978	7190000.05722046
1979	7610000.1335144
1980	9829999.92370605
1981	15800000.1907349
1982	15590000.1525879
1983	14920000.076293899
1984	15689999.5803833
1985	13789999.961853001
1986	11560000.4196167
1987	16329999.923706101
1988	30350000.3814697
1989	21909999.8474121
1990	28639999.3896484
1991	37459999.0844727
1992	36060001.373291
1993	28469999.3133545
1994	33799999.237060495
1995	56020000.4577637
1996	55860000.6103516
1997	42930000.3051758
1998	44959999.0844727
1999	29200000.762939498
2000	35139999.3896484
2001	32240001.678466797
2002	31700000.762939498
2003	32080001.831054702
2004	33630001.0681152
2005	43099998.4741211
2006	52180000.3051758
2007	67610000.6103516
2008	74279998.7792969
2009	94769996.6430664
2010	106169998.168945
2011	114379997.253418
2012	173610000.61035198
2013	143300003.05175802
2014	132050003.051758
2015	92500000
2016	53830001.8310547
2017	53930000.3051758
2018	53619998.9318848
2019	50990001.6784668
2020	47400001.5258789
2021	65209999.0844727
2022	76809997.55859381