Year	current US$
1984	-100699300.69930069
1985	9090909.090909092
1986	-1250000
1987	-85625000
1988	-55875000
1989	9000000
1990	0
1991	0
1992	0
1993	0
1994	0
1995	0
1996	-119367744.26092856
1997	-78051465.57600546
1998	-44454816.08891241
1999	-122330919.62346128
2000	-38643547.58068996
2001	-68269942.92078519
2002	-34413250.73465626
2003	-112063502.31460206
2004	-258572853.3776953
2005	-84560914.40400262
2006	-211079685.87054858
2007	-205300590.10331482
2008	235616226.2831588
2009	222689604.72159272
2010	224249830.90904772
2011	263918828.04515824
2012	226669305.50012922
2013	252067095.40920293
2014	200541240.04550624
2015	160048850.41732576
2016	101519382.96715468
2017	61978409.68533086
2018	7211186.285009496
2019	107704523.27839881
2020	47842061.66589968
2021	82244010.81916538