Year	US Dollars adjusted for inflation)
1960	1752.47057
1961	1805.20535
1962	1847.95744
1963	1712.39905
1964	1756.41625
1965	1753.38855
1966	1735.48262
1967	1554.46715
1968	1639.2724
1969	1669.16006
1970	1829.39756
1971	1863.34187
1972	2318.72965
1973	2038.08723
1974	1837.66312
1975	1679.31929
1976	1833.82379
1977	2054.99348
1978	2233.40554
1979	2286.7708
1980	2321.31357
1981	2407.48342
1982	2494.94937
1983	2529.73035
1984	2676.67875
1985	2822.04764
1986	2959.67817
1987	2953.04983
1988	3348.43161
1989	3378.1033
1990	3504.51401
1991	3534.15791
1992	3752.95579
1993	3909.27337
1994	3859.17492
1995	4159.20226
1996	4214.56845
1997	4365.19149
1998	4547.15761
1999	4672.24562
2000	4747.95856
2001	4825.09614
2002	5122.70678
2003	5506.24559
2004	5724.05948
2005	5856.49406
2006	6297.3232
2007	6189.76936
2008	6595.30526
2009	6451.66496
2010	6231.77023
2011	6204.16158
2012	6290.56682
2013	6406.29677
2014	6467.158
2015	6579.12334
2016	6651.26766
2017	6741.82707