Year	Percent
2000-01-01	30.6000
2001-01-01	30.6000
2002-01-01	22.9000
2003-01-01	19.7000
2004-01-01	18.3000
2005-01-01	15.7000
2006-01-01	16.7000
2007-01-01	16.3000
2008-01-01	17.0000
2009-01-01	16.1000
2010-01-01	15.9754
2011-01-01	15.8413
2012-01-01	17.2136
2013-01-01	15.0036
2014-01-01	13.1659
2015-01-01	12.7275
2016-01-01	17.3144