Year	constant 2010 US$
1960	13684036857.0643
1961	14503347547.8401
1962	15153512114.6599
1963	16470175251.4007
1964	17716927569.3664
1965	19562919065.2398
1966	20695602650.0708
1967	21813291973.8586
1968	23391095573.3437
1969	24679453640.8837
1970	27481425962.2594
1971	27610141417.4042
1972	27834724076.0078
1973	29801042428.5883
1974	30856056462.9726
1975	32155533248.1105
1976	33813533506.0111
1977	35148389789.1423
1978	37977319757.9899
1979	39404672851.7496
1980	43430137607.1392
1981	46870136125.9938
1982	49934265088.366
1983	53318998496.708
1984	56019715396.9644
1985	60272796443.8186
1986	63588796957.6813
1987	67691764262.6561
1988	72853449998.507
1989	76466812750.0364
1990	79876151981.2353
1991	83919137533.8289
1992	90385860526.2192
1993	91974615908.344
1994	95412089507.6067
1995	100147018591.748
1996	105000725251.045
1997	106065848422.857
1998	108770776064.232
1999	112751930854.755
2000	117555262343.91
2001	119885776649.102
2002	123751409564.262
2003	129748800033.821
2004	139309432952.151
2005	149990711055.44
2006	159256450281.251
2007	166953023525.452
2008	169793571392.451
2009	174601545521.839
2010	177406854514.885
2011	182282709027.43
2012	188675424552.08
2013	196970457770.58
2014	206178251481.055
2015	215932848620.679
2016	227866886765.975
2017	240856714914.19
2018	253935260513.493