Year	Percent
2006-01-01	95.6227
2007-01-01	94.5385
2008-01-01	94.7749
2009-01-01	95.2562
2010-01-01	94.1356
2011-01-01	93.6012
2012-01-01	92.1814
2013-01-01	90.8300
2014-01-01	90.9774
2015-01-01	89.9847
2016-01-01	91.7507
