Year	constant 2010 US$
1960	12601053717.6301
1961	12453066111.4089
1962	12669465552.8464
1963	13985699706.3903
1964	16124152074.4957
1965	21259239962.1796
1966	22909378383.4048
1967	22821964303.12
1968	24232899842.094
1969	24195404395.3623
1970	26052671265.0385
1971	24935035944.7013
1972	28784530699.3698
1973	34770136475.6807
1974	40966936470.8701
1975	39366039056.5815
1976	36980108991.6348
1977	30228444163.5704
1978	36883095174.1281
1979	47745706438.694
1980	65499686932.9553
1981	77107119167.69
1982	47920539987.3316
1983	31727734376.4815
1984	37377569429.1949
1985	41482946823.8201
1986	38337561392.1746
1987	40308368422.0567
1988	55109185686.586
1989	66823911140.7127
1990	80018153620.1378
1991	93443923573.3524
1992	112937407436.016
1993	111525654546.289
1994	131315412746.948
1995	110380800706.807
1996	129673109757.724
1997	159644632308.672
1998	183278863798.355
1999	204380498944.334
2000	245862651586.72
2001	243794893538.521
2002	246739456319.69
2003	252934187170.984
2004	283820236521.046
2005	308471724830.657
2006	308471724830.657
2007	323359875216.651
2008	333970853737.192
2009	280705891067.502
2010	328581153292.181
2011	347040940426.04
2012	365838638451.634
2013	373588229875.397
2014	395699331954.141
2015	419121906309.659
2016	431355174934.072
2017	458059558791.317
2018	486447596003.253