Year	2010 U.S. Dollars
1997-01-01	5014.10719462751
1998-01-01	5275.88106684506
1999-01-01	4793.04983101462
2000-01-01	4950.21951950929
2001-01-01	4984.56761726882
2002-01-01	5059.15490891324
2003-01-01	5164.10298071371
2004-01-01	5383.12039088782
2005-01-01	5599.87736820172
2006-01-01	6072.03417273948
2007-01-01	6476.59479069289
2008-01-01	6932.07235770195
2009-01-01	6516.35737115634
2010-01-01	6682.28115774575
2011-01-01	6890.77306103117
2012-01-01	6697.44638112011
2013-01-01	6928.37452627749
2014-01-01	7045.11611660676
2015-01-01	7279.88886020374
2016-01-01	7492.86340571049
2017-01-01	7812.94761401677