Year	current US$
1960	2114000000
1961	2655000000
1962	2868000000
1963	2989000000
1964	2913000000
1965	2999000000
1966	3042910156.25
1967	2792180175.78125
1968	2591929931.64063
1969	2355000000
1970	2325000000
1971	2564000000
1972	2333000000
1973	2018000000
1974	2395000000
1975	2240000000
1976	1996000000
1977	1918000000
1978	2478000000
1979	2797000000
1980	3444000000
1981	3410000000
1982	3949000000
1983	4154000000
1984	5063000000
1985	6028000000
1986	5464000000
1987	5736000000
1988	5385000000
1989	5504000000
1990	6940000000
1991	8210000000
1992	6126000000
1993	7502000000
1994	7451000000
1995	6588000000
1996	6208000000
1997	6197000000
1998	7536629882.8125
1999	9249410156.25
2000	8826290039.0625
2001	9214080078.125
2002	11911540039.0625
2003	15358189453.125
2004	17053839843.75
2005	25482589843.75
2006	21059539062.5
2007	18817099609.375
2008	23376429687.5
2009	25082791015.625
2010	25836099609.375
2011	27219810546.875
2012	25337169921.875
2013	26274019531.25
2014	27420089843.75
2015	26548310546.875
2016	28441699218.75
2017	29894351562.5
2018	29840128906.25
2019	28756968750
2020	29310031250
2021	37817578125
2022	29300769818.954178