Year	Percent
2004-01-01	2.29372
2005-01-01	2.24059
2006-01-01	13.82000
2007-01-01	15.06000
2008-01-01	13.84000
2009-01-01	15.85000
2010-01-01	15.07000
2011-01-01	15.42000
2012-01-01	17.09000
2013-01-01	17.01000
2014-01-01	15.92000
2015-01-01	15.86000
2016-01-01	16.03000