Year	current US$
1975	894000000
1976	743020000
1977	837000000
1978	1094000000
1979	2102300000.0000002
1980	5188400000
1981	2602660000
1982	2593830000
1983	3415490000
1984	1832370000
1985	2429540000
1986	5184670000
1987	9899210000
1988	4405510000
1989	7399170000
1990	8245809999.999999
1991	8078710000
1992	7242640000
1993	7914560000
1994	13356750000
1995	15947900000
1996	26646700000
1997	42069040000
1998	54282820000
1999	72818840000
2000	70501850000
2001	35362320000
2002	47686360000
2003	49058710000
2004	83768360000
2005	111313230000
2006	173739710000
2007	257724510000
2008	202637450000
2009	217513740000
2010	277223790000
2011	225830990000
2012	226864050000
2013	232250440000
2014	245696620000
2015	233988400000
2016	402438614930.951
2017	409717338863.46
2018	295012440000
2019	284816620000
2020	293832160000
2021	257973870000
2022	234088270000