Year	2010 U.S. Dollars
1990-01-01	7155.99624488220
1991-01-01	6485.46529821807
1992-01-01	6387.80227878127
1993-01-01	6483.74930008666
1994-01-01	6754.98381449560
1995-01-01	7152.07079869873
1996-01-01	7486.16795821047
1997-01-01	7722.97767406239
1998-01-01	7947.94039150626
1999-01-01	8119.88681116024
2000-01-01	8502.15781376418
2001-01-01	8810.14258587117
2002-01-01	9174.93739810701
2003-01-01	9612.87012352850
2004-01-01	10177.60013903990
2005-01-01	10708.72928143700
2006-01-01	11441.21336964430
2007-01-01	12217.93489829060
2008-01-01	12722.76819485080
2009-01-01	12300.30217675320
2010-01-01	12556.49160471150
2011-01-01	13005.62315302250
2012-01-01	13118.85387150920
2013-01-01	13323.82218490240
2014-01-01	13748.87856796480
2015-01-01	14304.99422587980
2016-01-01	14781.07226144150
2017-01-01	15498.62776166850