Year	current US$
1960	72400000
1961	72600000
1962	80600000
1963	96000000
1964	102400000
1965	122900000
1966	150200000
1967	165400000
1968	184722000
1969	184207000
1970	220654000
1971	193390000
1972	192795000
1973	262241000
1974	380121000
1975	404276000
1976	453064000
1977	579530000
1978	699538000
1979	825665000
1980	1005082000
1981	945101000
1982	692113000
1983	819994000
1984	962873800.6999999
1985	888106498.4
1986	754984000
1987	827400000
1988	885800000
1989	1028242000
1990	880400000
1991	879800000
1992	1104376000
1993	1290600000
1994	1676672000
1995	1642700000
1996	1840000000
1997	2148600000
1998	2499839000
1999	4461408730
2000	2947118523
2001	3267448825
2002	3081828780
2003	3447548836
2004	4212330431.9999995
2005	4850987151
2006	5640853263
2007	7221381176
2008	8813286565
2009	6223737750
2010	7127667904
2011	9016154448
2012	9385284839
2013	9152276992
2014	9309684563
2015	9424203358
2016	8898252173
2017	9634720625
2018	10492600162
2019	9241918761
2020	8687420590