Year	Percent
2001-01-01	45.040800000000000
2002-01-01	53.373100000000000
2003-01-01	49.693000000000005
2004-01-01	50.783300000000000
2005-01-01	46.500900000000000
2006-01-01	41.099900000000000
2007-01-01	34.112700000000000
2008-01-01	36.542800000000000
2009-01-01	37.179400000000000
2010-01-01	37.254300000000000
2011-01-01	34.721100000000000
2012-01-01	36.563800000000000
2013-01-01	31.741999999999997
2014-01-01	30.192800000000000