Year Current U.S. Dollars 1980-01-01 142246875.536716 1981-01-01 139468114.599741 1982-01-01 140630758.594899 1983-01-01 138476239.366792 1984-01-01 132019065.033419 1985-01-01 137728155.212661 1986-01-01 190651207.999511 1987-01-01 235253171.841062 1988-01-01 264308140.285149 1989-01-01 267448513.108168 1990-01-01 306891107.262039 1991-01-01 319827058.592875 1992-01-01 357160985.327413 1993-01-01 490417389.682569 1994-01-01 406580652.330537 1995-01-01 487148993.533109 1996-01-01 501979069.274683 1997-01-01 490608657.924976 1998-01-01 521910560.524868 1999-01-01 592416703.058878 2000-01-01 539227277.626411 2001-01-01 563024383.296626 2002-01-01 620974660.230303 2003-01-01 813963830.179217 2004-01-01 924318490.759800 2005-01-01 971977088.156914 2006-01-01 1107891063.438630 2007-01-01 1513933983.223980 2008-01-01 1789333748.679900 2009-01-01 1711817181.529690 2010-01-01 1664310769.552290 2011-01-01 1864824080.692560 2012-01-01 1751888561.727470 2013-01-01 1850951315.398150 2014-01-01 1858121723.321850 2015-01-01 1596154666.480190 2016-01-01 1638927335.621100 2017-01-01 1753736711.672730