Year Percent Change From Preceding Period 2009-01-01 -7.669999999999930 2010-01-01 3.216722625365490 2011-01-01 4.919706190975890 2012-01-01 2.913965688847320 2013-01-01 0.331486656209422 2014-01-01 -0.795747131967664 2015-01-01 -2.473078094424900 2016-01-01 -0.931373640593682 2017-01-01 3.465338724633780 2018-01-01 6.314591185830030 2019-01-01 10.925294613747200