Year	current US$
1990	-63988771.0350565
1991	291591952.15846
1992	238657837.796996
1993	126304864.594578
1994	146131551.49282
1995	278590191.622113
1996	255272684.275482
1997	212183835.867583
1998	136667803.414503
1999	144831432.494454
2000	-43497093.4636821
2001	-42175997.3569923
2002	-53631107.4293778
2003	101075691.608444
2004	253745728.061165
2005	424832624.883587
2006	611192964.652096
2007	681602522.7224
2008	454598300.510487
2009	196293707.50109
2010	246860881.9936
2011	697867841.476636
2012	1646328897.22638
2013	1549870980.7084
2014	1034579920.30549
2015	-266619477.906813
2016	-333090153.570264
2017	-623678535.743894
2018	-89283833.468204
2019	59919232.3241553
2020	-457185176.567717
2021	-968586717.01959