Year	Percent
2005-01-01	48.900
2006-01-01	48.000
2007-01-01	47.575
2008-01-01	47.475
2009-01-01	47.075
2010-01-01	46.950
2011-01-01	46.000
2012-01-01	45.975
2013-01-01	45.425
2014-01-01	45.250
2015-01-01	45.275
2016-01-01	44.375
2017-01-01	44.125