Year	Percent
2002-01-01	11.7000
2003-01-01	13.7000
2004-01-01	14.3000
2005-01-01	14.4000
2006-01-01	13.7000
2007-01-01	17.3000
2008-01-01	17.6000
2009-01-01	16.9000
2010-01-01	12.3486
2011-01-01	12.2326
2012-01-01	12.5470
2013-01-01	11.9474
2014-01-01	12.6129
2015-01-01	12.9110
2016-01-01	12.9805