Year	current US$
1974	180000.00715255702
1975	189999.99761581398
1976	79999.9982118607
1977	39999.9991059303
1978	59999.9986588955
1979	219999.998807907
1980	490000.009536743
1981	600000.023841858
1982	460000.00834465
1983	419999.986886978
1984	239999.994635582
1985	140000.000596046
1986	119999.997317791
1987	270000.010728836
1988	400000.00596046395
1989	430000.00715255697
1990	370000.00476837205
1991	270000.010728836
1992	189999.99761581398
1993	70000.0002980232
1994	70000.0002980232
1995	159999.99642372102
1996	90000.0035762787
1997	-50000.0007450581
1998	100000.00149011599
1999	50000.0007450581
2000	19999.9995529652
2001	50000.0007450581
2002	70000.0002980232
2003	90000.0035762787
2004	129999.995231628
2005	159999.99642372102
2006	50000.0007450581
2007	140000.000596046
2009	70000.0002980232
2010	109999.999403954
2011	39999.9991059303
2012	41372.3103702068
2013	61260.998249054
2014	51411.5206897259
2015	3549.69990439713
2016	140161.30566597
2017	171006.709337234
2018	98610.3191971779
2019	50000.0007450581
2020	88651.4186859131
2021	66679.2616248131
2022	22893.149405717897