Year	current US$
1960	582400000
1961	770000000
1962	667600000
1963	680600000
1964	709400000
1965	693700000
1966	662100000
1967	654100000
1968	747000000
1969	848000000
1970	1105900000
1971	1231300000
1972	1772100000
1973	3201600000
1974	7424900000
1975	7102100000
1976	8546400000
1977	10846300000
1978	11642800000
1979	15578500000
1980	21915900000
1981	23810300000
1982	22353900000
1983	21195400000
1984	21896400000
1985	18602200000
1986	14809600000
1987	17177700000
1988	19378500000
1989	21940083868
1990	25682746670
1991	29188946945
1992	33982300590
1993	36839751835
1994	40069354000
1995	45453419000
1996	49889197304
1997	53448658409
1998	48855369816
1999	48665249735
2000	62096022017
2001	56254268818
2002	57063079195
2003	61004298565
2004	71519117076
2005	85579184553
2006	100696000000
2007	113971000000
2008	136860000000
2009	116378000000
2010	157779000000
2011	203497000000
2012	190032000000
2013	182552000000
2014	176292000000
2015	150393000000
2016	136846000000
2017	168663000000
2018	174053000000
2019	167973000000
2020	163998000000