Year	Percent
2003-01-01	62.8763913619972
2004-01-01	62.8446978099214
2005-01-01	62.1369512688933
2006-01-01	62.5576907928718
2007-01-01	62.5913489314810
2008-01-01	62.6435150193830
2009-01-01	62.2150278269787
2010-01-01	62.5135319625081
2011-01-01	62.3358689399401
2012-01-01	62.3427405790132
2013-01-01	61.8138262124986
2014-01-01	60.2523804170969