Year	current USD
1975	7933048.214867789
1976	21985174.197503302
1977	22276752.319915902
1978	27421800.6136051
1979	30150739.648503598
1980	38795968.6770619
1981	38248532.2460091
1985	34289370.2952085
1986	37450561.758426405
1987	42383569.0974437
1988	46294747.84125081
1989	53074242.2248797
1990	68691099.4764398
1991	52642141.663050406
1992	58569676.6642859
1993	68596992.1599056
1994	83255878.33962859
1995	56405488.1860232
1996	78744873.28193349
1997	79556597.14736749
1998	49720532.988681495
1999	35678026.4278796
2000	33606981.6257872
2001	25230765.5988102
2002	17020861.466104597
2003	19307132.133185502
2004	24421729.443234198
2005	30464707.6838763
2006	31307966.3562042
2007	39287099.3306018
2008	39332022.2659245
2009	52048171.780744396
2010	46335624.372538395
2011	64193136.1425914
2012	110623185.275838
2013	105100890.617551
2014	112375755.926034
2015	99840642.67898491
2016	79051319.3098808
2017	80860755.5171601
2018	79956905.785118
2019	91734539.9698341
2020	93461981.5668203
2021	88724208.0790468
2022	97487775.7474913