Year	current US$
1961	14000000
1962	10100000
1963	11345000
1964	16399999.999999998
1965	15500000
1966	13000000
1967	16399999.999999998
1968	12650000
1969	17310000
1970	35493000
1971	36111000
1972	41734000
1973	52283000
1974	64063000
1975	36538000
1976	84537000
1977	124594000
1978	106234000
1979	106222000
1980	117350000
1981	106242000
1982	231994000
1983	99228281.82000001
1984	129088416
1985	123612559.5
1986	211720928.7
1987	178959000
1988	158222574.2
1989	191740807.20000002
1990	252262281.1
1991	266605346.8
1992	216231789.8
1993	219704992.2
1994	174851624.6
1995	241068125.1
1996	291792929.2
1997	284468342.9
1998	294382275.40000004
1999	251451816.4
2000	478584959
2001	707247192
2002	857859309
2003	1016640477
2004	988295982
2005	1082316649
2006	1529264293
2007	1444778755
2008	1319401173
2009	1148428216
2010	1992172845
2011	2374362757
2012	1769840721
2013	1588095495
2014	1695018772
2015	1922958522
2016	2846216970
2017	1908439285
2018	1581796179
2019	1774780250
2020	2147730590