Year	current US$
1970	9620000000
1971	10520000000
1972	11630000000
1973	14080000000
1974	16970000000
1975	18830000000
1976	21640000000
1977	23190000000
1978	26870000000
1979	31801300000
1980	38110000000
1981	46020000000
1982	50850000000
1983	51040000000
1984	60414000000
1985	63493000000
1986	74898000000
1987	84322000000
1988	98260000000
1989	115100000000
1990	134280000000
1991	149420000000
1992	160905000000
1993	168259000000
1994	183327000000
1995	200341000000
1996	218553000000
1997	234825000000
1998	240486000000
1999	269778000000
2000	288867000000
2001	275842000000
2002	280408000000
2003	288703000000
2004	332552000000
2005	362907000000
2006	403865000000
2007	474737000000
2008	521706000000
2009	501920000000
2010	562835000000
2011	623199000000
2012	662674000000
2013	697564000000
2014	737356000000
2015	749316000000
2016	764653000000
2017	817549000000
2018	843414000000
2019	868646000000
2020	704320000000
2021	778188000000
2022	900004000000
2023	966129000000