Year	current US$
1965	209192400
1966	190866700
1967	220684700
1968	236680900
1969	271779300
1970	324582100
1971	390953600
1972	498438800
1973	650035700
1974	801171900
1975	869749200
1976	851087200
1977	812314300
1978	843458700
1979	1019790300
1980	1384407200
1981	1632954900
1982	1638199500
1983	1577868000
1984	1301160900
1985	1022906500
1986	1211463100
1987	1393260700
1988	1521310500
1989	1903454900
1990	1799346000
1991	2082263700
1992	1816058200
1993	1379789800
1994	1313006200
1995	1369931000
1996	1427157500
1997	1354383100
1998	922913800
1999	905350700
2000	895650300
2001	890912400
2002	752919600
2003	696861200
2004	809851100
2005	870352500
2006	871741400
2007	851867600
2008	721283700
2009	1066186600
2010	1108809200
2011	1293484700
2012	2403507200
2013	2466379700
2014	2454635000
2015	2373335400
2016	2382828800
2017	1937328945.2688687
2018	4671914037.584024
2019	3105058991.1919656
2020	3376284102.768907
2021	3530214464.1021175
2022	5880229272.0528345
2023	3664464866.6916685