Year Current U.S. Dollars 1984-01-01 1924242453.009290 1985-01-01 1965384586.242290 1986-01-01 2173750012.500000 1987-01-01 2156624900.000000 1988-01-01 2126000000.000000 1989-01-01 2335124987.500000 1990-01-01 2101624962.500000 1991-01-01 1139166645.833330 1992-01-01 709452583.880319 1993-01-01 1228071037.844460 1994-01-01 1985673798.102580 1995-01-01 2424499009.142640 1996-01-01 3314898291.752350 1997-01-01 2359903108.384460 1998-01-01 2707123772.161950 1999-01-01 3414760915.278780 2000-01-01 3632043907.977330 2001-01-01 4060758804.120840 2002-01-01 4435078647.748170 2003-01-01 5746945912.580820 2004-01-01 7314865175.619900 2005-01-01 8158548716.685540 2006-01-01 8992642348.787100 2007-01-01 10701011896.770800 2008-01-01 12881352687.777300 2009-01-01 12044212903.816800 2010-01-01 11926953258.916000 2011-01-01 12890867538.530200 2012-01-01 12319784787.298700 2013-01-01 12776277515.480000 2014-01-01 13228244357.181300 2015-01-01 11386931489.796800 2016-01-01 11883682170.823600 2017-01-01 13039352743.961600