Year	Percent
2003-01-01	94.050
2004-01-01	93.500
2005-01-01	93.825
2006-01-01	94.750
2007-01-01	94.650
2008-01-01	94.275
2009-01-01	92.775
2010-01-01	92.700
2011-01-01	92.050
2012-01-01	91.600
2013-01-01	92.225
2014-01-01	93.675
2015-01-01	94.525
2016-01-01	95.300
2017-01-01	94.175