Year	current US$
1975	59999.9986588955
1976	59999.9986588955
1979	9999.99977648258
1980	140000.000596046
1981	230000.004172325
1982	59999.9986588955
1984	9999.99977648258
1986	9999.99977648258
1987	29999.999329447703
1988	129999.995231628
1989	90000.0035762787
1990	1139999.98569489
1991	270000.010728836
1992	699999.988079071
1993	3450000.04768372
1994	5329999.92370605
1995	3880000.1144409203
1996	3940000.05722046
1997	7039999.96185303
1998	7500000
1999	11630000.1144409
2000	7190000.05722046
2001	5090000.15258789
2002	3730000.01907349
2003	3440000.05722046
2004	1440000.0572204601
2005	3650000.09536743
2006	600000.023841858
2007	1629999.99523163
2008	2759999.99046326
2009	3349999.90463257
2010	3309999.94277954
2011	3880000.1144409203
2012	1809999.9427795399
2013	7059999.94277954
2014	2079999.9237060498
2015	1820000.05245209
2016	1600000.02384186
2017	2180000.0667572
2018	1039999.96185303
2019	1730000.01907349
2020	-239999.994635582
2021	639999.985694885
2022	1399999.97615814