Year	Percent
2005-01-01	69.725
2006-01-01	70.000
2007-01-01	70.025
2008-01-01	70.275
2009-01-01	70.025
2010-01-01	69.975
2011-01-01	69.800
2012-01-01	70.075
2013-01-01	70.000
2014-01-01	70.000
2015-01-01	70.025
2016-01-01	70.225
2017-01-01	70.425