Year	current US$
1960	2103141000
1961	2196316000
1962	2250962000
1963	2931308000
1964	3708450000
1965	3664286000
1966	4329121000
1967	4289262000
1968	4824515000
1969	5424406000
1970	5874956000
1971	4764408000
1972	6557690000
1973	8488548000
1974	11096004000
1975	10055912000
1976	11584073000
1977	13686709000
1978	13268071000
1979	16131348000
1980	18345054000
1981	16926451592.428001
1982	15414986958.974
1983	15266543162.536001
1984	16033494668.782999
1985	15376242296.129997
1986	16306677682.074
1987	16676040918.467993
1988	16641210489.324005
1989	18991722335.206005
1990	24628851050.780006
1991	20821410586.639
1992	22043932064.482998
1993	22174502605.774
1994	24932077009.147003
1995	30810939597.360996
1996	37152264510.398994
1997	36301735148.90201
1998	32415724773.538006
1999	35737245601.642
2000	65755630417
2001	69031720673
2002	79246967787
2003	79471032232
2004	88545842604
2005	86406693706
2006	98828939137
2007	150062293812
2008	180010689362
2009	147541175664
2010	176369240652
2011	173049909129
2012	153517398030
2013	171168546915
2014	175803815574
2015	156374143571
2016	151603407084
2017	166310703036
2018	186263412850
2019	195682277489
2020	200441710282