Year	current US$
1990	225339773.84961
1991	288337522.584869
1992	385931886.471593
1993	539357180.747519
1994	474950310.096486
1995	290991102.533655
1996	150870613.410948
1997	306693667.972197
1998	101040303.211898
1999	153151367.38713
2000	119681658.65154
2001	82045149.172348
2002	-25896628.2275151
2003	76605507.1832566
2004	-50449257.1009955
2005	-255067948.874265
2006	-563963490.991359
2007	-1115665227.4447
2008	-716360959.511959
2009	-1278800471.77217
2010	-513733155.466425
2011	-773430169.334462
2012	-783680524.02377
2013	-1920936375.5499
2014	-1815659729.0477
2015	-2116273597.42752
2016	-1716421464.56021
2017	-742142840.112192
2018	-947515362.217394
2019	-873805849.722405
2020	-1606221847.75307
2021	-2044329119.50543