Year	current US$
1960	82700000
1961	86200000
1962	84000000
1963	84500000
1964	122300000
1965	139400000
1966	179700000
1967	181904000
1968	255381000
1969	237154000
1970	318383000
1971	381763000
1972	402909000
1973	488486000
1974	812828000
1975	842523000
1976	656066000
1977	729608000
1978	1118273000
1979	1079547000
1980	1226595000
1981	1175763000
1982	1131014000
1983	796614000
1984	847260000
1985	1028041999.9999999
1986	779839000
1987	811846000
1988	822876000
1989	780995000
1990	1021542968
1991	1231403420
1992	1551974552
1993	1463365973
1994	1534545060
1995	1879162200
1996	1787256414
1997	1408836159
1998	1571354373
1999	1660358161
2000	1520295642
2001	1779787901
2002	1751008145
2003	2177357010
2004	2571541940
2005	3265354057
2006	4552290431
2007	5951155549
2008	8130369548
2009	6569099285
2010	8060476741
2011	11249243170
2012	11783902522
2013	12605109081
2014	12759447322
2015	14767579348
2016	7921020456
2017	10001367029
2018	8516183845
2019	9054672382
2020	8516524616.000001
