Year	Percent
2000-01-01	9.225
2001-01-01	10.050
2002-01-01	10.800
2003-01-01	11.250
2004-01-01	12.625
2005-01-01	12.150
2006-01-01	9.725
2007-01-01	7.400
2008-01-01	5.775
2009-01-01	6.725
2010-01-01	7.550
2011-01-01	7.375
2012-01-01	8.000
2013-01-01	8.325
2014-01-01	7.125
2015-01-01	5.900
2016-01-01	5.050
2017-01-01	4.125