Year	US Dollars adjusted for inflation)
1960	16354.54003
1961	16188.54185
1962	17051.76943
1963	17433.15465
1964	18624.89699
1965	19958.80876
1966	20240.00251
1967	21068.58249
1968	22188.72983
1969	23343.46173
1970	24369.03026
1971	25120.53664
1972	25746.60153
1973	26924.62419
1974	27633.08251
1975	27388.41417
1976	28385.22768
1977	28928.1338
1978	29525.88536
1979	29913.38466
1980	30075.85265
1981	29636.15785
1982	29134.53912
1983	29625.05368
1984	30411.12599
1985	31050.65216
1986	31739.39645
1987	32147.72856
1988	33039.84199
1989	34293.89214
1990	35483.2995
1991	36063.47085
1992	36402.47289
1993	36604.23348
1994	37461.56616
1995	38438.55384
1996	39626.29266
1997	41117.96329
1998	42714.51301
1999	44574.68846
2000	46133.17635
2001	46758.87675
2002	46509.51714
2003	46422.02485
2004	47200.42469
2005	48107.58549
2006	49720.39486
2007	51447.25959
2008	52118.09256
2009	49897.22517
2010	50338.25483
2011	50937.55294
2012	50212.96411
2013	49969.85027
2014	50497.2368
2015	51410.4893
2016	52267.73176
2017	53597.83433