Year Current U.S. Dollars 1960-01-01 1179.35301099994 1961-01-01 1327.42722436600 1962-01-01 1411.70239818044 1963-01-01 1522.31924209950 1964-01-01 1707.50393824701 1965-01-01 1882.08685764849 1966-01-01 2010.21345619725 1967-01-01 2034.18904965478 1968-01-01 1907.07727217667 1969-01-01 2178.03525044982 1970-01-01 2467.47634653616 1971-01-01 2718.20755188138 1972-01-01 3180.00587263802 1973-01-01 4176.27276078757 1974-01-01 5301.54277799545 1975-01-01 6260.19127850933 1976-01-01 6744.69698199575 1977-01-01 7074.35652980497 1978-01-01 7634.48240766645 1979-01-01 9339.17707570089 1980-01-01 11232.27456442200 1981-01-01 10934.56809358150 1982-01-01 10945.27734066050 1983-01-01 10505.83366216890 1984-01-01 10841.56712892860 1985-01-01 11405.93365060350 1986-01-01 14962.25536039140 1987-01-01 18580.65864792550 1988-01-01 22056.70175379880 1989-01-01 23983.84575358290 1990-01-01 28380.54891127500 1991-01-01 25503.21520901090 1992-01-01 22337.48712369120 1993-01-01 17617.03043866540 1994-01-01 20305.58354954750 1995-01-01 26273.46590310660 1996-01-01 25777.64129963960 1997-01-01 24676.49707696220 1998-01-01 25989.40750351800 1999-01-01 26178.79178455080 2000-01-01 24253.25042457860 2001-01-01 24913.24451635840 2002-01-01 26834.02625018040 2003-01-01 32816.16088021400 2004-01-01 37636.11173417530 2005-01-01 38969.17163181300 2006-01-01 41120.67650615810 2007-01-01 48288.54909781860 2008-01-01 53401.31487251980 2009-01-01 47107.15570907050 2010-01-01 46202.41516284540 2011-01-01 50790.72414548020 2012-01-01 47415.55987113510 2013-01-01 49638.07712981390 2014-01-01 49914.61864215890 2015-01-01 42424.22080750220 2016-01-01 43433.03222435800 2017-01-01 45703.32786507400