Year	Percent
2001-01-01	1.3326300000000000
2002-01-01	1.3585100000000000
2003-01-01	1.3901900000000000
2004-01-01	1.5294400000000000
2005-01-01	1.6966900000000003
2006-01-01	1.4326000000000000
2007-01-01	1.8908200000000002
2008-01-01	2.0369200000000003
2009-01-01	1.6855200000000001
2010-01-01	2.0622400000000000
2011-01-01	1.8205900000000002
2012-01-01	2.5298500000000000
2013-01-01	2.3913100000000000
2014-01-01	2.3467400000000000
2015-01-01	2.4332900000000000