Year	current US$
1960	279200000
1961	297400000
1962	416300000
1963	559900000
1964	403800000
1965	454400000
1966	716400000
1967	995900000
1968	1468000000
1969	1823400000
1970	1985300000
1971	2394200000
1972	2522000000
1973	4241500000
1974	6859400000
1975	7279700000
1976	8693700000
1977	10805800000
1978	14974900000
1979	20175600000
1980	22062800000
1981	26153500000
1982	24250200000
1983	26195800000
1984	30627900000
1985	31058000000
1986	31733500000
1987	41026400000
1988	51812260311
1989	60209621243
1990	74404912000
1991	81825597000
1992	82950768000
1993	86630200000
1994	102348000000
1995	135110000000
1996	150157000000
1997	144635000000
1998	93371462941
1999	119741000000
2000	160340000000
2001	140986000000
2002	151292000000
2003	178738000000
2004	224283000000
2005	261097000000
2006	309146000000
2007	356501000000
2008	435149000000
2009	323069000000
2010	425212000000
2011	524375000000
2012	519584000000
2013	515586000000
2014	525515000000
2015	436499000000
2016	406032000000
2017	472574000000
2018	534720000000
2019	502758000000
2020	467645000000