Year	current US$
1990	1371580319.0230844
1991	510458522.12818104
1992	538086967.6401956
1993	50267766.20560502
1994	16362007.991549166
1995	128663501.89527556
1996	567994505.4945055
1997	138868998.79791522
1998	271614760.4443361
1999	99178329.10388069
2000	78096019.05542864
2001	99163063.74201736
2002	118110236.22047244
2003	2734375000
2004	-769230769.2307692
2005	-2675053596.609561
2006	38140277.04610025
2007	-1080430366.4133625
2008	-341380330.5431192
2009	595915228.4660808
2010	-1506170325.1291258
2011	-4312127905.684916
2012	-663887259.6420588
2013	3711826448.5425715
2014	1733335848.2617915
2015	140094554.7744369
2016	-2811555781.2350535
2017	-1662409780.3159661
2018	-721262858.3694698
2019	-1160010670.3817523