Year	Percent
2000-01-01	6.125
2001-01-01	5.600
2002-01-01	5.700
2003-01-01	5.575
2004-01-01	5.125
2005-01-01	5.200
2006-01-01	5.800
2007-01-01	5.575
2008-01-01	6.175
2009-01-01	8.650
2010-01-01	8.725
2011-01-01	8.850
2012-01-01	8.500
2013-01-01	8.175
2014-01-01	6.525
2015-01-01	5.600
2016-01-01	5.100
2017-01-01	4.550