Year	current US$
1991	-1290681702.2059746
1992	-1148422286.9845033
1993	-1117485120.2959447
1994	-1115684279.1725483
1995	-1256731228.7789025
1996	-1101167828.0811427
1997	-1064432481.6653547
1998	-1062047526.216289
1999	-1744750511.776335
2000	-1503399666.3864665
2001	-730889523.2485919
2002	-1807205199.3337095
2003	-1615903761.4034019
2004	-1532110450.6494586
2005	-1443236855.0058508
2006	-1071809246.4801965
2007	-1024785744.8940012
2008	-1329359072.0771904
2009	-1463294792.9196203
2010	-1723297417.360297
2011	-3164841875.4902368
2012	-7659795955.899457
2013	-9183386129.555529
2014	-9129134398.301033
2015	-5448912598.555057
2016	-4783023348.381753
2017	-3138243401.6007366
2018	-5037631034.2169485
2019	-4856588551.7892065
2020	-4886507144.605197
2021	-5073207177.88131
2022	-5609074942.381649