Year	current US$
1966	19999.9995529652
1967	29999.999329447703
1968	59999.9986588955
1969	90000.0035762787
1970	79999.9982118607
1971	70000.0002980232
1972	70000.0002980232
1973	140000.000596046
1974	129999.995231628
1975	180000.00715255702
1976	289999.99165535
1977	469999.998807907
1978	1070000.05245209
1979	2329999.92370605
1980	1450000.04768372
1981	1419999.95708466
1982	1559999.9427795399
1983	1730000.01907349
1984	5909999.84741211
1985	1730000.01907349
1986	2470000.02861023
1987	3329999.92370605
1988	3779999.97138977
1989	3380000.1144409203
1990	3539999.96185303
1991	4599999.90463257
1992	8729999.54223633
1993	7849999.90463257
1994	12289999.961853001
1995	9789999.96185303
1996	8500000
1997	9689999.5803833
1998	8069999.694824221
1999	6230000.01907349
2000	6030000.20980835
2001	5710000.03814697
2002	7909999.84741211
2003	12590000.1525879
2004	17799999.237060502
2005	15800000.1907349
2006	21680000.3051758
2007	19139999.3896484
2008	17889999.3896484
2009	12050000.1907349
2010	11729999.5422363
2011	12140000.3433228
2012	14920000.076293899
2013	14960000.038146999
2014	19389999.3896484
2015	12529999.7329712
2016	9449999.80926514
2017	7320000.17166138
2018	9020000.45776367
2019	8579999.92370605
2020	8039999.961853029
2021	7340000.15258789
2022	4360000.1335144