Year	current US$
1984	-62857144.65306127
1985	-135555548.8888889
1986	-72631579.13573408
1987	-86228060.09696375
1988	-109435417.02805015
1989	-141848839.73825717
1990	-114164594.65789798
1991	-126196448.55287147
1992	-113674456.20601049
1993	-128865624.77968149
1994	-228999999.16396117
1995	-248900017.27373272
1996	-343999995.2226879
1997	-303500005.0000794
1998	-145399974.55075827
1999	-120816253.61521894
2000	-130070000
2001	-179570000
2002	-171420000
2003	-274590000
2004	-384670000
2005	-379290001.142504
2006	-195251362.60276607
2007	-506102739.86808324
2008	-846431328.5832609
2009	-978410148.5791323
2010	-995045075.6967906
2011	-963595092.2020882
2012	-2286425627.0446463
2013	-2616296334.3554273
2014	-2330593303.0068703
2015	-2581428629.364066
2016	-1380097004.202748