Year	current US$
1965	140000.000596046
1967	1460000.03814697
1968	70000.0002980232
1969	209999.993443489
1970	1809999.9427795399
1971	3490000.00953674
1972	5650000.09536743
1973	9720000.26702881
1974	9409999.84741211
1975	10710000.038146999
1976	14550000.1907349
1977	13939999.5803833
1978	24319999.6948242
1979	27690000.5340576
1980	47459999.0844727
1981	37659999.8474121
1982	54830001.8310547
1983	30190000.5340576
1984	25170000.0762939
1985	19629999.1607666
1986	44360000.6103516
1987	56529998.779296905
1988	56650001.5258789
1989	49020000.4577637
1990	67010002.1362305
1991	26389999.3896484
1992	54240001.6784668
1993	48049999.237060495
1994	41970001.220703095
1995	36349998.4741211
1996	39880001.0681152
1997	31719999.3133545
1998	29159999.8474121
1999	10390000.3433228
2000	14239999.7711182
2001	23100000.3814697
2002	12659999.8474121
2003	7690000.05722046
2004	24379999.1607666
2005	28280000.6866455
2006	26280000.6866455
2007	11039999.961853001
2008	15930000.3051758
2009	25379999.1607666
2010	17549999.237060502
2011	34819999.6948242
2012	27489999.7711182
2013	32259998.321533203
2014	30959999.084472697
2015	17870000.8392334
2016	18829999.9237061
2017	20760000.2288818
2018	15909999.8474121
2019	10159999.8474121
2020	6230000.01907349
2021	10619999.8855591
2022	9289999.96185303