Year	current US$
1980	-12544875.620979998
1981	-7074260.419767999
1982	35674121.946485944
1983	38360768.919128016
1984	277292268.8118699
1985	268901964.8149122
1986	7021470.322439564
1987	61850418.65494318
1988	58829658.468948305
1989	-19041211.630836062
1990	-1292463.9112950405
1991	58441694.818310186
1992	21941424.688060585
1993	-5769571.19005656
1994	-28726742.050727226
1995	-19441989.75822973
1996	4501230.833017381
1997	52549037.37121397
1998	38518761.706840836
1999	-26965450.46390412
2000	21498487.436488666
2001	27816408.167379733
2002	50992468.61924686
2003	45920124.21194106
2004	-58380115.92741936
2005	120583910.71132356
2006	-49397368.845764846
2007	-125026604.06088462
2008	50693620.79963019
2009	85312792.02279203
2010	85431715.65645057
2011	203669358.43096733
2012	-186851953.6903039
2013	-12985745.296671491
2014	17074674.38494935
2015	-359630463.0969609
2016	131310636.75832127
2017	357056396.5267728
2018	173342981.18668595
2019	367956049.2040521
2020	75454109.98552822
2021	64824688.85672937
2022	-99101418.23444283