Year	current US$
1960	1842103000
1961	2072017000
1962	2160821000
1963	2630109000
1964	3387107272.7
1965	3738771000
1966	3957630000
1967	4255344363.6
1968	4593378636.4
1969	4970879727.3
1970	5626832363.6
1971	5570093818.2
1972	6367532818.2
1973	7983944545.5
1974	11272866272.7
1975	12832251272.7
1976	11979441181.8
1977	14739650363.6
1978	15733191363.6
1979	17261553101.3
1980	21473489339.5
1981	22666116869.999996
1982	20208361809.86
1983	18672992526.879993
1984	17841113795.153
1985	18727099519.949997
1986	19520339331.39
1987	21669554012.48
1988	21139482057.850002
1989	22419506612.979996
1990	29103145203.049995
1991	27166751105.339996
1992	31687884610.879997
1993	29522267646.47
1994	30425959566.580006
1995	35270012335.369995
1996	36297557179.770004
1997	35756458904.08
1998	41139920328.130005
1999	39823017986.93001
2000	39234371103
2001	41366951070
2002	42025045873
2003	51492527753
2004	66068595780
2005	81013104883
2006	92819131784
2007	111219275300
2008	138496362915
2009	125518650869
2010	142860484260
2011	175546028417
2012	189261211771
2013	208668476818
2014	215534592536
2015	209578567924
2016	188081759175
2017	195585635679
2018	197879238920
2019	194875964909
2020	188811622412