Year	current US$
1980	550000.011920929
1981	259999.990463257
1982	250000
1983	790000.021457672
1984	2250000
1985	3609999.89509583
1986	2599999.90463257
1987	4230000.01907349
1988	2119999.8855590797
1989	2910000.08583069
1990	3920000.07629395
1991	1059999.9427795399
1992	200000.00298023198
1995	-2349999.90463257
1996	370000.00476837205
1997	29999.999329447703
1998	-370000.00476837205
1999	1470000.02861023
2000	970000.028610229
2001	2009999.9904632599
2002	1860000.01430511
2003	-200000.00298023198
2004	-100000.00149011599
2005	2480000.01907349
2006	2410000.08583069
2007	1950000.04768372
2008	8529999.73297119
2009	10050000.1907349
2010	6039999.96185303
2011	5199999.80926514
2012	3240000.00953674
2013	3259999.99046326
2014	-239999.994635582
2015	-352169.007062912
2016	2684698.8201141404
2017	2257233.61968994
2018	3109519.95849609
2019	-1093404.76989746
2020	-2453198.43292236
2021	1333999.99141693
2022	903240.025043488