Year	current US$
1960	847908826.1134735
1961	721406345.8728021
1962	608530122.4886721
1963	727784621.9739255
1964	900449502.7818326
1965	980676744.1604528
1966	1031031864.262982
1967	1075570198.1249018
1968	1050828346.7781067
1969	1361411115.924528
1970	1192303113.1912186
1971	1141874958.1049323
1972	1339129443.0031986
1973	1733989581.0093036
1974	3018097668.783347
1975	3756023135.081704
1976	4486020803.965099
1977	5432849334.831385
1978	5981335059.493498
1979	7248043812.986421
1980	9539193273.578045
1981	11562637503.36411
1982	10327748991.767057
1983	9014269835.251085
1984	8179905174.578623
1985	8190807396.74304
1986	7237714865.420536
1987	6543348263.818369
1988	5797496000.58428
1989	6166355684.372814
1990	6875674448.060621
1991	7591902951.475738
1992	8070402201.10055
1993	8387399699.849924
1994	10453729864.932467
1995	11680658329.164581
1996	12477270635.317657
1997	14133565782.891445
1998	14574507253.626812
1999	9728055027.513756
2000	8232911455.727863
2001	12186653000
2002	14622772000
2003	17371267000
2004	19556658000
2005	21925467000
2006	23961339000
2007	25875216000
2008	30685595000
2009	32875428999.999996
2010	36500777000
2011	40678808000
2012	45396057000
2013	50234827000
2014	54270122000
2015	55999150000
2016	57203669000
2017	60648834000
2018	63141357000
2019	63951857000
2020	58785831000
2021	62816303000
2022	68554645000.00001
2023	70979615000