Year	current US$
1964	39999.9991059303
1974	19999.9995529652
1975	70000.0002980232
1978	1940000.0572204601
1979	4070000.1716613797
1980	2329999.92370605
1981	189999.99761581398
1982	2730000.01907349
1983	629999.995231628
1984	349999.99403953605
1985	2930000.0667572
1986	300000.011920929
1987	180000.00715255702
1988	90000.0035762787
1990	1629999.99523163
1991	2900000.09536743
1992	46819999.6948242
1993	439999.997615814
1995	-129999.995231628
1996	-230000.004172325
1997	-79999.9982118607
1998	-1139999.98569489
2001	100000.00149011599
2002	129999.995231628
2003	209999.993443489
2004	219999.998807907
2005	59999.9986588955
2010	50000.0007450581
2011	9999.99977648258
2015	19999.9995529652
2016	19999.9995529652
2019	310000.002384186
2020	709999.978542328
2021	670000.016689301
2022	839999.973773956