Year	current US$
1965	4360000
1966	14800000
1967	560000.0000000001
1968	3640000
1969	13120000
1970	14360000
1971	27360000
1972	-28960000
1973	38080000
1974	73400000
1975	-16880000
1976	-10560000
1977	64920000
1978	87680000
1979	17880000
1980	-10880000
1981	23120000
1982	21119700
1983	15177300
1984	18349800
1985	-44787500
1986	4905300
1987	-50957900
1988	6900700
1989	87646100
1990	7083817.4132
1991	14075100
1992	90125400
1993	65207800.00000001
1994	123883600
1995	167891600
1996	-90855700
1997	-161227100
1998	167588400
1999	76154500
2000	-1640600
2001	63947400
2002	-61229500
2003	97393800
2004	199679100
2005	339800000
2006	509940000
2007	387370000
2008	270730000
2009	-192560000
2010	353920000
2011	304740000
2012	238100000
2013	-113220000
2014	215190000
2015	76130000
2016	115450000
2017	161910000
2018	312800000
2019	157280000
2020	-60780000
2021	670860000
2022	484210000
2023	-934590000