Year	Percent
2009-01-01	27.787900000000000
2010-01-01	25.730500000000000
2011-01-01	29.564600000000000
2012-01-01	29.437600000000000
2013-01-01	29.785999999999998
2014-01-01	28.824900000000000
2015-01-01	26.506100000000000
2016-01-01	24.385800000000000