Year	Current U.S. Dollars
1995-01-01	476.987379485331
1996-01-01	462.172007597506
1997-01-01	528.177762986236
1998-01-01	448.841362219815
1999-01-01	321.026796481440
2000-01-01	354.003731878172
2001-01-01	407.730243187074
2002-01-01	458.677816836312
2003-01-01	548.289686690501
2004-01-01	720.940932072135
2005-01-01	831.205286210574
2006-01-01	950.648204362747
2007-01-01	1230.434684720320
2008-01-01	1695.972811143750
2009-01-01	1525.526118827630
2010-01-01	1631.535831795320
2011-01-01	1970.571372533360
2012-01-01	2046.536786651090
2013-01-01	2243.979662444000
2014-01-01	2244.763762483340
2015-01-01	1832.499051898800
2016-01-01	1913.240367461740
2017-01-01	2289.877718734390