Year	US Dollars adjusted for inflation)
1966	11947014184.2009
1967	13145161283.9847
1968	14445446369.6065
1969	15653398481.5429
1970	16391215216.3929
1971	17308614101.4968
1972	17730466108.6526
1973	18361548509.4074
1974	19389069934.58179
1975	20854538798.9137
1976	23109494479.5687
1977	24509737499.8931
1978	25056957435.62189
1979	26258134655.157
1980	27214499196.1996
1981	26740032111.06789
1982	29135236266.2304
1983	29539216588.53929
1984	31435157625.4702
1985	33323672523.7555
1986	36413145449.7067
1987	36294801242.8977
1988	40604894538.531
1989	41760592095.0181
1990	43185385081.897
1991	46301680542.2391
1992	45330392242.2896
1993	44994679123.3821
1994	49758715929.222
1995	47069034480.29971
1996	52892827880.8586
1997	52067328269.93289
1998	55836249260.847
1999	56440024805.35769
2000	57519650790.1246
2001	61730070507.7354
2002	63656943581.25099
2003	67451637210.90802
2004	70687304633.4949
2005	73014076004.5985
2006	78544623310.6445
2007	81318500633.8362
2008	86135221236.45039
2009	89790590993.48848
2010	93216746661.5977
2011	98106615021.85127
2012	101059586129.68399
2013	105643067055.46899
2014	108463202314.752
2015	113397737919.10098
2016	114783961362.67599
2017	119490103786.433