Year	current US$
1960	2561300000
1961	2733100000
1962	2915000000
1963	3190500000
1964	3663700000
1965	3961300000
1966	4268300000
1967	4524200000
1968	4932200000
1969	5689000000
1970	6781300000
1971	7459600000
1972	8758100000
1973	12163500000
1974	15899000000
1975	17341200000
1976	18434600000
1977	19042700000
1978	21784500000
1979	27529400000
1980	28278100000
1981	26334800000
1982	24758500000
1983	25142600000
1984	26923000000
1985	27690200000
1986	34205400000
1987	41092100000
1988	46232969298
1989	47704727693
1990	53066212789
1991	51189213222
1992	51994384947
1993	46463108969
1994	56866991448
1995	79616427106
1996	84466812023
1997	82701447196
1998	84725976315
1999	84793464912
2000	86877710878
2001	75685151618
2002	81345469418
2003	102116000000
2004	123239000000
2005	130908000000
2006	147872000000
2007	168992000000
2008	183986000000
2009	130876000000
2010	158430000000
2011	186939000000
2012	172460000000
2013	167510000000
2014	164645000000
2015	140024000000
2016	139290000000
2017	152920000000
2018	165968000000
2019	160576000000
2020	155587000000