Year Current U.S. Dollars 1960-01-01 685.614712379760 1961-01-01 739.276406442666 1962-01-01 797.006288353959 1963-01-01 852.135301717888 1964-01-01 965.135422676745 1965-01-01 1023.773726409360 1966-01-01 1074.506505549580 1967-01-01 1152.004952149940 1968-01-01 1124.516636082460 1969-01-01 1291.349920286370 1970-01-01 1488.294762451500 1971-01-01 1705.972660948730 1972-01-01 2082.956897900610 1973-01-01 2427.172361417700 1974-01-01 2519.941753883010 1975-01-01 2976.961022048430 1976-01-01 2923.079755909570 1977-01-01 3431.177594426260 1978-01-01 4405.256227810410 1979-01-01 5436.465018325910 1980-01-01 6380.069668319120 1981-01-01 5993.323119945780 1982-01-01 6168.016539832900 1983-01-01 5922.326008719100 1984-01-01 5698.844330383970 1985-01-01 6018.935226188450 1986-01-01 8121.886512812810 1987-01-01 9593.388559025290 1988-01-01 10728.703948099500 1989-01-01 11189.200907095800 1990-01-01 14048.106575546300 1991-01-01 14104.078685599800 1992-01-01 15733.204390342700 1993-01-01 14674.614959303300 1994-01-01 15921.975270200300 1995-01-01 19181.400971288600 1996-01-01 20860.597650723700 1997-01-01 22542.812006247200 1998-01-01 24263.240059642400 1999-01-01 26284.280798740400 2000-01-01 26241.514488701700 2001-01-01 28227.277050162300 2002-01-01 32539.955207540400 2003-01-01 41107.031056966100 2004-01-01 47630.926494800100 2005-01-01 50878.639517606600 2006-01-01 54306.913100624100 2007-01-01 61359.645079817200 2008-01-01 61257.896890275600 2009-01-01 52104.034723116900 2010-01-01 48671.888293606800 2011-01-01 52186.496269866600 2012-01-01 49042.338253546100 2013-01-01 51773.111369589100 2014-01-01 55412.928596726500 2015-01-01 61807.670373755500 2016-01-01 64100.429952276200 2017-01-01 69330.690154491200