Year	Percent
2000-01-01	4.725
2001-01-01	4.200
2002-01-01	4.325
2003-01-01	4.125
2004-01-01	3.675
2005-01-01	3.600
2006-01-01	4.075
2007-01-01	3.725
2008-01-01	4.350
2009-01-01	6.500
2010-01-01	6.625
2011-01-01	6.350
2012-01-01	5.900
2013-01-01	5.750
2014-01-01	4.525
2015-01-01	3.900
2016-01-01	3.450
2017-01-01	3.025