Year	current US$
1990	-2738832403.56243
1991	-2344911166.77783
1992	-2607101427.87318
1993	-3131260778.63911
1994	-2753252191.20472
1995	-3240898291.3217
1996	-3252336252.29113
1997	-2763680663.59652
1998	-2343488956.84087
1999	-2386047681.41766
2000	-2094263507.18346
2001	-2024188621.58329
2002	-1069663552.72247
2003	-1122670909.41209
2004	-1731441623.17735
2005	-1020972497.43492
2006	952685793.196562
2007	521170571.20846
2008	5921950445.84241
2009	-4933995833.70903
2010	1640976929.33435
2011	-3099370236.41187
2012	-1427513420.88032
2013	-2459444352.73845
2014	-5036892177.46196
2015	-6271422589.16068
2016	-6814418468.75099
2017	-5981620565.88507
2018	2237377372.58894
2019	-1307355756.81377
2020	-6214931124.9071
2021	-8485653800.25526