Year	current US$
1963	38500000
1964	54500000
1965	75900000
1966	67200000
1967	78900000
1968	93446000
1969	130809000
1970	230383000
1971	232942000
1972	208674000
1973	217106000
1974	283395000
1975	347071000
1976	276389000
1977	334445000
1978	329191000
1979	409653000
1980	544329000
1981	447623000
1982	366931000
1983	305964000
1984	310441000
1985	348190000
1986	533998000.00000006
1987	627497000
1988	603714000
1989	764100928.4000001
1990	749377171.3
1991	865613948.1999999
1992	926289543.4
1993	924207368
1994	864772992
1995	957289952.1
1996	1000753182
1997	928850589
1998	915916345
1999	1008544081
2000	923489670
2001	931420662
2002	1007597267
2003	1541011563
2004	1636302414
2005	1783821954
2006	2009180220
2007	2441960623
2008	3285387568
2009	2520793880
2010	3319566740
2011	3714594184
2012	3260801395
2013	3252177808
2014	3330869927
2015	2543212377
2016	2521795735
2017	2774798449
2018	2847060390
2019	3265159558
2020	2872221052