Year	Percent
2000-01-01	14.1000
2001-01-01	14.1000
2002-01-01	14.1000
2003-01-01	14.1000
2004-01-01	14.1000
2005-01-01	14.1000
2006-01-01	14.1000
2007-01-01	14.1000
2008-01-01	14.1000
2009-01-01	14.1000
2010-01-01	15.4647
2011-01-01	16.0218
2012-01-01	16.1524
2013-01-01	15.1107
2014-01-01	13.9784
2015-01-01	13.7672
2016-01-01	13.6746