Year	current US$
1970	95000000
1971	110000000
1972	165000000
1973	16000000
1974	8000000
1975	8000000
1976	-12000000
1977	-17000000
1978	-30000000
1979	91000000
1980	265000000
1981	47000000
1982	343000000
1983	182000000
1984	109000000
1985	38000000
1986	40000000
1987	-37000000
1988	-57000000
1989	-76000000
1990	261000000
1991	1810000000
1992	211000000
1993	1454000000
1994	1364000000
1995	697000000
1996	1151000000
1997	625000000
1998	998500000.7748597
1999	2265299976.8257136
2000	1983290023.8037102
2001	1834120017.5285342
2002	2759540016.1743174
2003	1675639992.6096203
2004	1707289985.3587148
2005	816040006.1607358
2006	906700007.2002413
2007	726539995.804429
2008	1177220013.3800511
2009	1108789992.5708768
2010	890789997.7881464
2011	740929990.7684319
2012	773589994.4305428
2013	844780001.6403202
2014	903470007.4195862
2015	768170007.705688
2016	636579990.6253818
2017	728039990.782738
2018	711250005.2452091
2019	702440005.0640109
2020	699870005.1307681
2021	878980000.0190735
2022	9796559810.40001