Year	Percent
2003-01-01	4.100
2004-01-01	6.100
2005-01-01	5.300
2006-01-01	5.800
2007-01-01	4.025
2008-01-01	4.625
2009-01-01	5.150
2010-01-01	5.000
2011-01-01	5.525
2012-01-01	5.300
2013-01-01	6.225
2014-01-01	5.100
2015-01-01	6.875
2016-01-01	5.775
2017-01-01	5.025