Year 2010 U.S. Dollars 1980-01-01 3223.80899433698 1981-01-01 3370.52919134631 1982-01-01 3439.02825941883 1983-01-01 3548.13214904218 1984-01-01 3660.06888345894 1985-01-01 3758.34002719537 1986-01-01 3917.51479507007 1987-01-01 4148.59381224382 1988-01-01 4597.47543157644 1989-01-01 4498.55198005700 1990-01-01 4162.81570433754 1991-01-01 3849.18630135360 1992-01-01 3607.79367407921 1993-01-01 3582.85611598934 1994-01-01 3660.40197671228 1995-01-01 3781.90349197296 1996-01-01 3828.24642187336 1997-01-01 3809.68651346488 1998-01-01 3967.99605484799 1999-01-01 3750.49383333629 2000-01-01 3955.27580157865 2001-01-01 4186.92041902769 2002-01-01 4532.85386938310 2003-01-01 4804.48436237995 2004-01-01 5152.41400784508 2005-01-01 5561.16384273605 2006-01-01 5988.77095056511 2007-01-01 6476.05420316886 2008-01-01 6914.39843478088 2009-01-01 6709.52731467062 2010-01-01 6843.26694975885 2011-01-01 7019.17404574254 2012-01-01 7062.13497737665 2013-01-01 7162.99779252759 2014-01-01 7299.54877087093 2015-01-01 7612.02236422436 2016-01-01 7967.70816911052 2017-01-01 8311.93089892045