Year	Percent
2000-01-01	5.025
2001-01-01	4.325
2002-01-01	5.200
2003-01-01	6.300
2004-01-01	7.825
2005-01-01	8.025
2006-01-01	6.075
2007-01-01	5.650
2008-01-01	5.375
2009-01-01	7.100
2010-01-01	8.825
2011-01-01	10.475
2012-01-01	11.800
2013-01-01	13.475
2014-01-01	12.375
2015-01-01	11.325
2016-01-01	11.375
2017-01-01	8.975