Year	current US$
1978	9999.99977648258
1979	19999.9995529652
1981	19999.9995529652
1982	29999.999329447703
1983	19999.9995529652
1986	469999.998807907
1987	1379999.99523163
1988	-2000000
1991	79999.9982118607
1992	2990000.00953674
1993	100000.00149011599
1994	109999.999403954
1995	119999.997317791
1996	5170000.07629395
1997	11979999.5422363
1998	17850000.3814697
1999	21950000.762939498
2000	21469999.3133545
2001	20709999.084472697
2002	27209999.084472697
2003	33099998.4741211
2004	25469999.3133545
2005	26299999.237060502
2006	12409999.8474121
2007	23100000.3814697
2008	17750000
2009	6760000.228881841
2010	37619998.9318848
2011	11520000.4577637
2012	13789999.961853001
2013	15170000.076293899
2014	8000000
2015	197300003.05175802
2016	4539999.96185303
2017	3710000.03814697
2018	17159999.8474121
2019	8710000.03814697
2020	7269999.98092651
2021	7989999.771118159
2022	5469999.79019165