Year	Percent
2000-01-01	5.775
2001-01-01	4.600
2002-01-01	5.000
2003-01-01	6.300
2004-01-01	7.950
2005-01-01	8.225
2006-01-01	6.550
2007-01-01	5.975
2008-01-01	5.300
2009-01-01	6.600
2010-01-01	8.725
2011-01-01	10.000
2012-01-01	11.725
2013-01-01	13.200
2014-01-01	12.750
2015-01-01	11.250
2016-01-01	10.825
2017-01-01	8.850