Year	current US$
1960	1482200000
1961	1534500000
1962	1655200000
1963	1899900000
1964	2112699999.9999998
1965	2315000000
1966	2450200000
1967	2530000000
1968	2631400000
1969	3014190000
1970	3350640000
1971	3681050000
1972	4407170000
1973	6249390000
1974	7714570000
1975	8711970000
1976	9110630000
1977	10062610000
1978	11884320000
1979	14692540000
1980	16972770000
1981	16084500000
1982	15394900000
1983	16047660000
1984	15926760000
1985	17067860000
1986	21156010000
1987	25584950000
1988	27432971991
1989	27743047915
1990	34030114750
1991	35087506480
1992	41129584782
1993	35906223210
1994	39814398741
1995	47482116010
1996	47108932649
1997	48775197313
1998	47909964989
1999	49355429000
2000	51051491566
2001	51720104860
2002	57506898529
2003	66485152417.00001
2004	77066839902
2005	84959950400
2006	92611533287
2007	103303000000
2008	117121000000
2009	94041834070
2010	96389121361
2011	111864000000
2012	107086000000
2013	110949000000
2014	111493000000
2015	95457341426
2016	95326364003
2017	102506000000
2018	109711000000
2019	110779000000
2020	108274000000