Year	current USD
1970	413396.812710574
1971	535616.768530885
1972	787703.106216311
1973	931727.0694413669
1974	1353022.0803273101
1975	2056253.74901294
1976	2751430.01954963
1977	3651464.94593652
1978	7239265.39761045
1979	9572320.67752886
1980	10367191.7502583
1981	11361681.762921099
1982	14939154.8492196
1983	15102947.827968
1984	15601330.1311657
1985	14008928.958432699
1986	14591259.367800402
1987	25131445.6610873
1988	24673835.5264078
1989	29083211.422946997
1990	30542031.5886853
1991	32482582.8837865
1992	30539125.343482
1993	32041095.623860896
1994	33665273.338250995
1995	34700248.16366
1996	32851136.6065702
1997	30962540.175108097
1998	22598926.9284585
1999	23811699.7187275
2000	32039537.3528389
2001	32811655.824618
2002	30914304.2680947
2003	37296898.0797637
2004	46798811.2755706
2005	43111350.2900702
2006	54067168.0587807
2007	75576918.29992299
2008	53585658.6204517
2009	51285722.320794
2010	50408953.7144674
2011	60785527.4678088
2012	59221516.4060361
2013	58108276.8995161
2014	74787941.1272158
2015	42617557.6035115
2016	54411608.0036804
2017	75276555.0115658
2018	81378313.5709352
2019	79022198.9772199
2020	71181003.99754
2021	68750805.15297909
2022	66810539.59536961