Year	current US$
1981	109999.999403954
1982	39999.9991059303
1983	70000.0002980232
1986	9999.99977648258
1987	230000.004172325
1991	349999.99403953605
1992	70000.0002980232
1993	1659999.9666214
1994	4050000.1907348596
1995	1090000.0333786
1996	1450000.04768372
1997	850000.023841858
1998	589999.973773956
1999	180000.00715255702
2000	2599999.90463257
2001	50000.0007450581
2002	-29999.999329447703
2003	-19999.9995529652
2004	29999.999329447703
2005	699999.988079071
2006	29999.999329447703
2007	330000.013113022
2008	270000.010728836
2010	109999.999403954
2011	-469999.998807907
2014	-330000.013113022
2015	29999.999329447703
2016	-1490000.0095367401
2017	-389999.98569488496
2018	-490000.009536743
2019	0
2020	9999.99977648258
2021	50000.0007450581
2022	39999.9991059303