Year	Percent
2003-01-01	5.6297900000000000
2004-01-01	6.0089999999999995
2005-01-01	3.9045600000000000
2006-01-01	4.2767000000000000
2007-01-01	4.6335600000000000
2008-01-01	4.2352800000000000
2009-01-01	4.4261900000000000
2010-01-01	4.8458600000000000
2011-01-01	5.0684000000000000
2012-01-01	5.1114800000000000
2013-01-01	5.2515400000000000
2014-01-01	5.6403200000000000
2015-01-01	2.7394500000000000
2016-01-01	4.5892300000000010