Year	current US$
1980	250000
1981	200000.00298023198
1982	250000
1983	100000.00149011599
1984	119999.997317791
1985	1139999.98569489
1986	209999.993443489
1987	230000.004172325
1988	509999.99046325695
1989	500000
1990	759999.990463257
1991	509999.99046325695
1992	579999.983310699
1993	540000.021457672
1994	270000.010728836
1995	189999.99761581398
1996	509999.99046325695
1997	379999.99523162795
1998	519999.980926514
1999	270000.010728836
2000	360000.01430511504
2001	340000.00357627904
2002	600000.023841858
2003	259999.990463257
2004	239999.994635582
2005	119999.997317791
2006	90000.0035762787
2007	50000.0007450581
2008	-59999.9986588955
2009	129999.995231628
2010	159999.99642372102
2011	109999.999403954
2012	219999.998807907
2013	159999.99642372102
2014	259999.990463257
2015	0
2016	79999.9982118607
2017	9999.99977648258
2018	50000.0007450581
2019	19999.9995529652
2020	19999.9995529652
2021	79999.9982118607
2022	9999.99977648258