Year	current US$
1960	6606000000
1961	6918000000
1962	7093999999.999999
1963	7121999999.999999
1964	7775999999.999998
1965	7728999999.999998
1966	8675999999.999998
1967	9059999999.999998
1968	9999999999.999998
1969	10917999999.999998
1970	12636999999.999998
1971	14172999999.999998
1972	15696000000
1973	21064000000
1974	36097000000
1975	39384000000
1976	38098000000
1977	40533000000
1978	46182999999.99999
1979	60232999999.99999
1980	85438999999.99998
1981	91376999999.99998
1982	71599999999.99998
1983	59966999999.99999
1984	62840999999.99999
1985	63294000000
1986	65288000000
1987	71050000000
1988	80549000000
1989	90994000000
1990	99927000000
1991	111747000000
1992	135346000000.00002
1993	151954000000.00003
1994	186918000000.00003
1995	205438000000.00003
1996	231170000000.00006
1997	274747000000.00006
1998	291342000000.00006
1999	286003000000.00006
2000	332937000000.00006
2001	324157000000.00006
2002	307640000000.00006
2003	320318000000.00006
2004	384577000000.00006
2005	448218000000.0001
2006	530461000000.0002
2007	624180000000.0002
2008	763122000000.0002
2009	571040000000.0001
2010	755437000000.0001
2011	916254000000.0001
2012	939563000000
2013	979479000000
2014	983556000000
2015	883739000000
2016	812556000000
2017	898391000000
2018	992365000000
2019	962495000000
2020	812879000000
2021	1114960000000
2022	1360151000000
2023	1274473000000