Year	current US$
1960	1183100000
1961	1136200000
1962	1139000000
1963	1234700000
1964	1486500000
1965	1553000000
1966	1604100000
1967	1748000000
1968	1959100000
1969	2076800000.0000002
1970	2329800000
1971	2252200000
1972	2719500000
1973	3811700000
1974	6057200000
1975	6581400000
1976	6035700000
1977	5485900000
1978	7559900000
1979	12085900000
1980	19455900000
1981	24127700000
1982	15071700000
1983	9020000000
1984	11360300000
1985	14788400000
1986	12659040979
1987	14033797800
1988	21519888500
1989	25076840800
1990	33021242100.000004
1991	54857379500
1992	68343301400
1993	71903965100
1994	87283805400
1995	79699690400
1996	98419092200
1997	120789000000
1998	137709000000
1999	156172000000
2000	184919000000
2001	178494000000
2002	178786000000
2003	180771000000
2004	208607000000
2005	235113000000
2006	271365000000
2007	298768000000
2008	327080000000
2009	248428000000
2010	319571000000
2011	371893000000
2012	392997000000
2013	404083000000
2014	423983000000
2015	418969000000
2016	410313000000
2017	445618000000
2018	492161000000
2019	482556000000
2020	405965000000