Year	Percent
2000-01-01	13.5000
2001-01-01	14.0000
2002-01-01	17.1000
2003-01-01	18.1000
2004-01-01	17.6000
2005-01-01	16.8000
2006-01-01	15.8000
2007-01-01	13.6000
2008-01-01	15.2000
2009-01-01	15.5000
2010-01-01	15.9682
2011-01-01	15.2399
2012-01-01	15.6636
2013-01-01	14.7642
2014-01-01	14.7433
2015-01-01	14.8891
2016-01-01	14.8923