Year	US Dollars adjusted for inflation)
1960	23183.55983
1961	24443.00513
1962	24929.72538
1963	25678.42968
1964	26761.90372
1965	27958.25928
1966	28786.15969
1967	30332.24003
1968	30758.06818
1969	31882.78058
1970	32267.07968
1971	33859.12725
1972	35392.30206
1973	36738.73103
1974	37943.88496
1975	39603.70655
1976	41714.73325
1977	43267.12577
1978	44770.02104
1979	46568.72734
1980	48538.24402
1981	49144.62619
1982	49079.69043
1983	50860.85516
1984	53787.17731
1985	56604.38225
1986	58682.8271
1987	59432.93047
1988	58963.13546
1989	59329.91633
1990	60268.65794
1991	61832.41296
1992	63673.97649
1993	65097.06757
1994	67999.73271
1995	70457.6931
1996	73626.15776
1997	77097.89258
1998	78651.55088
1999	79687.50824
2000	81709.66294
2001	82992.53186
2002	83732.93894
2003	84008.9617
2004	86820.34131
2005	88494.36433
2006	89887.01952
2007	91617.27915
2008	90917.54176
2009	88259.96772
2010	87770.26684
2011	87481.14835
2012	88689.49096
2013	88538.69765
2014	89274.95614
2015	90104.04826
2016	90316.97234
2017	91218.61843