Year	Percent
1999-01-01	3.875
2000-01-01	3.875
2001-01-01	3.825
2002-01-01	3.925
2003-01-01	4.250
2004-01-01	5.950
2005-01-01	5.900
2006-01-01	5.675
2007-01-01	5.350
2008-01-01	4.475
2009-01-01	5.125
2010-01-01	4.675
2011-01-01	4.600
2012-01-01	4.850
2013-01-01	5.350
2014-01-01	5.475
2015-01-01	5.375
2016-01-01	5.625
2017-01-01	5.125