Year	current US$
1960	154200000
1961	138200000
1962	147400000
1963	179500000
1964	197600000
1965	177000000
1966	235400000
1967	219700000
1968	240208000
1969	245578000
1970	260492000.00000003
1971	280807000
1972	319638000
1973	340761000
1974	420110000
1975	391810000
1976	492756000
1977	500859000
1978	453844000
1979	539104000
1980	510789000
1981	568056000
1982	446392000
1983	371326000
1984	376688000
1985	283761000
1986	344777000
1987	290040000
1988	275072000
1989	256278000.00000003
1990	415347564.90000004
1991	412972087.8
1992	474261972.5
1993	470683838.6
1994	542695743.6
1995	697083249.4
1996	763463132.9
1997	619814161.4
1998	588421365.5
1999	621527384.9
2000	733806399
2001	773964394
2002	900453345
2003	1133039224
2004	1470521346
2005	1674396618
2006	1870801633
2007	2144836723.9999998
2008	3128677005
2009	2979840916
2010	4055606605
2011	4751528561
2012	5569056128
2013	4432546119
2014	5728380733
2015	5886836126
2016	4770068374
2017	3853447853
2018	3668149537
2019	4760921254
2020	6066070723