Year	2010 U.S. Dollars
1990-01-01	3853.92191296705
1991-01-01	3621.41348530420
1992-01-01	3391.56046004572
1993-01-01	3145.56068984773
1994-01-01	3093.88209795061
1995-01-01	3057.00422640580
1996-01-01	3083.60699032172
1997-01-01	3112.12313364961
1998-01-01	3197.35323921619
1999-01-01	3315.75660792143
2000-01-01	3448.83445241989
2001-01-01	3329.92082620229
2002-01-01	3369.63204806621
2003-01-01	3436.96760478547
2004-01-01	3591.29332643128
2005-01-01	3755.03659187250
2006-01-01	3942.43613357929
2007-01-01	4192.94848745950
2008-01-01	4418.26742857375
2009-01-01	4398.77380483572
2010-01-01	4542.90410449183
2011-01-01	4645.51500231041
2012-01-01	4620.63731658815
2013-01-01	4751.90141063734
2014-01-01	4920.21606259193
2015-01-01	5104.77738844088
2016-01-01	5249.22382597843
2017-01-01	5245.35960643450