Year	current US$
1960	5825400000
1961	6101600000
1962	6199100000
1963	6756200000
1964	8041500000
1965	8462600000
1966	9953000000
1967	10974600000
1968	13069200000
1969	14291800000
1970	16748599999.999998
1971	18371100000
1972	21165000000
1973	26435400000
1974	34512700000
1975	34075699999.999996
1976	40599200000
1977	43555100000
1978	48430600000
1979	58299000000
1980	67733100000.00001
1981	72727400000
1982	71240100000
1983	76746600000
1984	90295300000
1985	90781600000
1986	89709400000
1987	98107800000
1988	116414000000
1989	120674000000
1990	126441000000
1991	126151000000
1992	133441000000
1993	140742000000
1994	161261000000
1995	190175000000
1996	200139000000
1997	213022000000
1998	211355000000
1999	237338000000
2000	275130000000
2001	261286000000
2002	252214000000
2003	271601000000
2004	315869000000
2005	360742000000
2006	388295000000
2007	420326000000
2008	456391000000
2009	316465000000
2010	387504000000
2011	451456000000
2012	455166000000
2013	458172000000
2014	475234000000
2015	408368000000
2016	389600000000
2017	418789000000
2018	447671000000
2019	446098000000
2020	390144000000