Year	Percent
2000-01-01	6.550
2001-01-01	4.875
2002-01-01	4.800
2003-01-01	6.300
2004-01-01	8.075
2005-01-01	8.375
2006-01-01	7.075
2007-01-01	6.250
2008-01-01	5.175
2009-01-01	6.125
2010-01-01	8.600
2011-01-01	9.550
2012-01-01	11.650
2013-01-01	12.850
2014-01-01	13.100
2015-01-01	11.150
2016-01-01	10.275
2017-01-01	8.800