Year	US Dollars adjusted for inflation)
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	29801042428.58829
1974	30856056462.97261
1975	32155533248.1105
1976	33813533506.01109
1977	35148389789.1423
1978	37977319757.9899
1979	39404672851.7496
1980	43430137607.1392
1981	46870136125.99379
1982	49934265088.366
1983	53318998496.708
1984	56019715396.96439
1985	60272796443.8186
1986	63588796957.6813
1987	67691764262.65609
1988	72853449998.507
1989	76466812750.03639
1990	79876151981.23531
1991	83919137533.82889
1992	90385860526.21921
1993	91974615908.34401
1994	95412089507.6067
1995	100147018591.748
1996	105000725251.04498
1997	106065848422.85699
1998	108770776064.23199
1999	112751930854.755
2000	117555262343.90999
2001	119885776649.10201
2002	123751409564.26199
2003	129748800033.821
2004	139309432952.15103
2005	149990711055.44
2006	159256450281.25101
2007	166953023525.452
2008	169793571392.45099
2009	174601545521.83899
2010	177406854514.88501
2011	182282709027.43002
2012	188675424552.08002
2013	196970457770.58002
2014	206178251481.05499
2015	215932848620.67896
2016	227866886765.97501
2017	240856714914.19006