Year	current US$
1974	360000.01430511504
1975	29999.999329447783
1976	99999.99776482591
1977	49999.99888241288
1978	80000.0000745058
1979	79999.9982118607
1980	49999.9988824129
1981	99999.99776482579
1982	119999.99918043619
1983	120000.00104308137
1984	139999.9987334014
1985	159999.9982863665
1986	259999.99418854722
1987	330000.00379979576
1988	669999.9831616881
1989	210000.00461935948
1990	249999.99813735497
1991	689999.9994784596
1992	419999.9943375594
1993	1039999.9935179942
1994	919999.9999254943
1995	2890000.0769644934
1996	2429999.9848008156
1997	2759999.9997764817
1998	2350000.0704079876
1999	2550000.017508864
2000	2810000.0005215383
2001	7769999.84495342
2002	10790000.153705481
2003	9659999.914467337
2004	10860000.25831162
2005	27680000.424385116
2006	18050000.25965274
2007	26049999.833107002
2008	21669999.79317189
2009	19349999.943748116
2010	21370000.07927418
2011	19250000.536441814
2012	16510000.079870213
2013	11860000.073909756
2014	9569999.91834164
2015	7049999.952316288
2016	6229999.858886002
2017	7310000.041499736
2018	8110000.006854532
2019	6749999.970197676
2020	7799999.997019777
2021	12819999.961182468
2022	11089999.822899695