Year	current US$
1973	9999.99977648258
1974	19999.9995529652
1975	19999.9995529652
1980	39999.9991059303
1983	159999.99642372102
1984	870000.004768372
1985	1309999.9427795399
1986	4050000.1907348596
1987	3059999.94277954
1988	1730000.01907349
1989	2190000.05722046
1990	1330000.04291534
1991	8409999.84741211
1992	1840000.0333786
1993	1100000.02384186
1994	629999.995231628
1995	779999.971389771
1996	1019999.98092651
1997	550000.011920929
1998	2640000.10490417
1999	670000.016689301
2000	1440000.0572204601
2001	660000.026226044
2002	1100000.02384186
2003	1289999.96185303
2004	879999.995231628
2005	810000.002384186
2006	1320000.05245209
2007	1230000.01907349
2008	949999.988079071
2009	1820000.05245209
2010	1879999.99523163
2011	2740000.00953674
2012	980000.019073486
2013	1330000.04291534
2014	5389999.8664856
2015	3569999.9332428
2016	349999.99403953605
2017	180000.00715255702
2018	90000.0035762787
2019	70000.0002980232
2020	9999.99977648258
2021	70000.0002980232