Year	Percent
2005-01-01	45.7355819972008
2006-01-01	43.9857655002483
2007-01-01	44.4149945083881
2008-01-01	45.0298349809622
2009-01-01	44.8966927818247
2010-01-01	44.8436568375209
2011-01-01	44.5880710410706
2012-01-01	43.4143263456699
2013-01-01	43.4880821049205
2014-01-01	43.5675930756390
2015-01-01	43.9279096748841
2016-01-01	43.8977828550925
2017-01-01	44.0054179961703