Year Current U.S. Dollars 1980-01-01 2404.41618925672 1981-01-01 2184.33506811225 1982-01-01 2014.53815377102 1983-01-01 2134.99539170171 1984-01-01 1764.47719182256 1985-01-01 1407.10093735624 1986-01-01 1522.08966559766 1987-01-01 1854.31260339751 1988-01-01 1924.06211782194 1989-01-01 1873.13712107997 1990-01-01 1982.32524266491 1991-01-01 2055.44099090339 1992-01-01 2278.04652135038 1993-01-01 2063.14806025480 1994-01-01 2263.40029505406 1995-01-01 2381.64543505614 1996-01-01 2311.96379021808 1997-01-01 2332.38357812366 1998-01-01 2113.44277455531 1999-01-01 2055.36497452202 2000-01-01 2057.99505681590 2001-01-01 1834.29408631699 2002-01-01 1713.04759416001 2003-01-01 2482.36862034148 2004-01-01 3288.25737348461 2005-01-01 3573.14638676586 2006-01-01 3881.20953466540 2007-01-01 4202.51096811639 2008-01-01 4029.06506054848 2009-01-01 4153.49788528146 2010-01-01 5191.58308141444 2011-01-01 5600.97139163233 2012-01-01 5749.40475248120 2013-01-01 5490.04131391061 2014-01-01 5392.71242089285 2015-01-01 4852.09226730267 2016-01-01 4560.70206009082 2017-01-01 5227.18000967398