Year	current US$
1970	4679999.969899658
1971	9140000.242739921
1972	12069999.881088732
1973	6860000.120475883
1974	7109999.7814744655
1975	34029999.710619405
1976	24400000.378489528
1977	17990000.10825694
1978	32600000.61988828
1979	30350000.113248788
1980	39300000.56326383
1981	28949999.717995528
1982	41439999.70890582
1983	43519999.99582766
1984	40600001.037120804
1985	33890000.462532036
1986	36569999.81403354
1987	53780000.92506403
1988	62710001.23023993
1989	65850000.17099072
1990	57190000.83953138
1991	98910000.59992075
1992	99650000.33378603
1993	75140000.58174144
1994	87449997.5442886
1995	79220000.02861021
1996	70279998.54087822
1997	63980000.49591063
1998	77519999.02725227
1999	68160000.08583066
2000	63899999.49932097
2001	67879998.20709229
2002	82310000.18119821
2003	88979999.06539921
2004	98449999.80926518
2005	104649998.66485585
2006	98929998.986423
2007	106619999.50557947
2008	98199999.1033226
2009	112620000.36239634
2010	112960000.51498404
2011	151780002.11715692
2012	138530001.42984098
2013	158559999.94277957
2014	161789999.51481816
2015	178640000.34332272
2016	149360001.80244446
2017	139309998.51226807
2018	138999999.16553482
2019	131729998.409748
2020	128840000.98705289
2021	171640000.35822406
2022	126370000.42200091