Year	current US$
1970	439999.997615814
1971	759999.990463257
1972	889999.985694885
1973	1340000.0333786
1974	930000.007152557
1975	1149999.97615814
1976	1200000.04768372
1977	1990000.0095367401
1978	3039999.96185303
1979	4119999.88555908
1980	3279999.97138977
1981	1450000.04768372
1982	1269999.98092651
1983	2470000.02861023
1984	1539999.96185303
1985	1779999.97138977
1986	1419999.95708466
1987	1039999.96185303
1988	829999.983310699
1989	800000.011920929
1990	9999.99977648258
1992	6340000.15258789
1993	11199999.8092651
1994	8409999.84741211
1995	12119999.8855591
1996	8970000.26702881
1997	5860000.1335144
1998	5010000.228881841
1999	5829999.92370605
2000	8770000.45776367
2001	8989999.77111816
2002	9180000.30517578
2003	14529999.7329712
2004	11140000.3433228
2005	17090000.1525879
2006	18489999.7711182
2007	26360000.6103516
2008	35689998.626709
2009	39540000.9155273
2010	39340000.1525879
2011	38450000.762939505
2012	34219383.2397461
2013	32865322.113037102
2014	46702690.1245117
2015	35660377.5024414
2016	44163532.2570801
2017	45696960.4492188
2018	44799140.9301758
2019	36304000.8544922
2020	37916000.3662109
2021	26236000.061035197
2022	19309999.4659424