Year	current US$
1990	-81422998.9738556
1991	-110072383.744951
1992	-57590902.3288136
1993	-92971430.5641383
1994	-69759897.0232748
1995	-57788559.3541666
1996	-78771443.5867277
1997	-64927291.7935582
1998	9078893.63171388
1999	684761.237366598
2000	-49094092.8779716
2001	-101537235.307641
2002	-32400378.7901977
2003	75519989.5566256
2004	59278016.730616
2005	-13947962.6948131
2006	56532449.166177
2007	82053760.0488498
2008	75320740.9796629
2009	101505035.461413
2010	119951166.798645
2011	165234135.281983
2012	151389477.235171
2013	193437046.788299
2014	143000443.413388
2015	160738534.30198
2016	143534232.500296
2017	225816715.820984
2018	250485949.767449
2019	221442559.804932
2020	293948578.937189