Year Percent Change From Preceding Period 2004-01-01 1.560014024240450 2005-01-01 6.534762656572250 2006-01-01 4.662186879089660 2007-01-01 3.493616812511230 2008-01-01 4.773382725903060 2009-01-01 4.679065698378810 2010-01-01 5.413452223777210 2011-01-01 3.240252912729780 2012-01-01 -0.836178864908599 2013-01-01 2.303584809425280 2014-01-01 7.075753146156700 2015-01-01 6.171800022924680 2016-01-01 5.763314371373410 2017-01-01 5.428642449319270 2018-01-01 5.100000000000170 2019-01-01 4.829999999999950