Year	current US$
1980	341821725.93903196
1981	-256449253.7993731
1982	-181591975.34388903
1983	-174755472.48900485
1984	-120549076.54630284
1985	184968265.89789897
1986	186926865.26928273
1987	-112888597.82724541
1988	37511549.447804056
1989	85173133.97722995
1990	-185203403.67507562
1991	-175931503.64952913
1992	-203839637.53333592
1993	-93905853.03246094
1994	-47023767.61505442
1995	-166433789.11715606
1996	-228775379.71446374
1997	-313665173.4541214
1998	-363708412.9541825
1999	-318747622.548811
2000	-143551468.42256033
2001	-230238799.7185795
2002	-69576416.1686076
2003	-447990012.6230229
2004	-149789734.58955374
2005	9913774.51597642
2006	312045218.77909297
2007	-465746488.1452576
2008	-1061952785.2421949
2009	-1844664723.647807
2010	-1315591896.5928855
2011	-1391293125.7084737
2012	-2621026655.492325
2013	-2736351946.0106716
2014	-3114573886.0877185
2015	-3003515601.4386363
2016	-2567628965.77259
2017	-1802492010.52236
2018	-1361187981.63087
2019	-1266657879.0731153
2020	-1012812292.967125
2021	-2434791758.648864
2022	-2314628935.2414284
2023	-2814303375.74829