Year	US Dollars adjusted for inflation)
1960	27085.59103
1961	27867.78139
1962	27902.52618
1963	28563.7963
1964	30467.45251
1965	29901.4155
1966	30015.24427
1967	29981.52395
1968	31156.39292
1969	34096.06492
1970	35457.23573
1971	36057.45456
1972	37973.16014
1973	40677.89997
1974	41842.2231
1975	38667.87318
1976	39452.09622
1977	40001.8771
1978	41557.3053
1979	42432.56179
1980	42637.31854
1981	42277.60136
1982	42720.79505
1983	43986.07989
1984	46659.48792
1985	47869.48337
1986	52413.05075
1987	54131.9196
1988	58288.76721
1989	63380.47284
1990	65921.91017
1991	70667.23837
1992	71003.66912
1993	72999.73764
1994	74763.87116
1995	74776.80547
1996	74790.0676
1997	78075.53056
1998	81771.44098
1999	87516.44512
2000	93462.92485
2001	94695.33924
2002	97287.59728
2003	97678.46054
2004	99778.46879
2005	101380.77459
2006	104943.44034
2007	111968.34948
2008	108577.35229
2009	101939.6134
2010	104965.30608
2011	105264.74845
2012	102404.61191
2013	103721.74701
2014	107152.90894
2015	107648.60801
2016	108600.93488
2017	107865.27353