Year	Percent
2010-01-01	5.18856950924572
2011-01-01	4.79969589843454
2012-01-01	4.72965318103720
2013-01-01	4.91857970554515
2014-01-01	4.98835523653069
2015-01-01	4.91162251676728
2016-01-01	5.00627792847897
2017-01-01	5.05848031315359