Year	current US$
1960	71100000
1961	74400000
1962	98000000
1963	110700000
1964	137100000
1965	160200000
1966	181800000
1967	203600000
1968	183300000
1969	176888000
1970	198885000
1971	210801000
1972	218450000
1973	326863000
1974	560417000
1975	516775999.99999994
1976	532129000
1977	762013000
1978	593239000
1979	360000000
1980	881882000
1981	994222000
1982	774881000
1983	806252000
1984	825883000
1985	1066509000
1986	774499000
1987	781599681.3000001
1988	805354000
1989	605789000
1990	666727000
1991	751320000
1992	893289000
1993	753400000
1994	866500000
1995	975200000
1996	1153700000
1997	1449800000
1998	1491700000
1999	1861700000
2000	1778871913
2001	1736017543
2002	1661109443
2003	1878528505
2004	2206118345
2005	2622941137
2006	3007482363
2007	3660629008
2008	4336384527
2009	3472721540
2010	4185076040
2011	5132334573
2012	5853544964
2013	5613900078
2014	5378961830
2015	5511312670
2016	5887214828
2017	6081899419
2018	5220010753
2019	4680612438
2020	4768394149
